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Finding the Fourth Proportional to 65,246.70, 97,870.05 and 56,498.70

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Solution

The fourth proportional to 65,246.70, 97,870.05 and 56,498.70 is: 84,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,246.70 : 97,870.05 = 56,498.70 : x
  2. Step 2: Convert to fraction form
    65,246.70/97,870.05 = 56,498.70/x
  3. Step 3: Cross multiply
    65,246.70x = 97,870.05 × 56,498.70
  4. Step 4: Simplify right side
    65,246.70x = 5,529,530,593.94
  5. Step 5: Solve for x
    x = 5,529,530,593.94/65,246.70
  6. Step 6: Final answer
    x = 84,748.05

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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.