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Finding the Fourth Proportional to 9,670.16, 14,434.98 and 8,948.72

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Solution

The fourth proportional to 9,670.16, 14,434.98 and 8,948.72 is: 13,358.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670.16 : 14,434.98 = 8,948.72 : x
  2. Step 2: Convert to fraction form
    9,670.16/14,434.98 = 8,948.72/x
  3. Step 3: Cross multiply
    9,670.16x = 14,434.98 × 8,948.72
  4. Step 4: Simplify right side
    9,670.16x = 129,174,594.23
  5. Step 5: Solve for x
    x = 129,174,594.23/9,670.16
  6. Step 6: Final answer
    x = 13,358.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.