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Finding the Fourth Proportional to 9,579,502.70, 14,369,254.05 and 8,540,240.30

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Solution

The fourth proportional to 9,579,502.70, 14,369,254.05 and 8,540,240.30 is: 12,810,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579,502.70 : 14,369,254.05 = 8,540,240.30 : x
  2. Step 2: Convert to fraction form
    9,579,502.70/14,369,254.05 = 8,540,240.30/x
  3. Step 3: Cross multiply
    9,579,502.70x = 14,369,254.05 × 8,540,240.30
  4. Step 4: Simplify right side
    9,579,502.70x = 122,716,882,518,748.23
  5. Step 5: Solve for x
    x = 122,716,882,518,748.23/9,579,502.70
  6. Step 6: Final answer
    x = 12,810,360.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.