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Finding the Fourth Proportional to 63,640.92, 95,315.96 and 30,384.38

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Solution

The fourth proportional to 63,640.92, 95,315.96 and 30,384.38 is: 45,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,640.92 : 95,315.96 = 30,384.38 : x
  2. Step 2: Convert to fraction form
    63,640.92/95,315.96 = 30,384.38/x
  3. Step 3: Cross multiply
    63,640.92x = 95,315.96 × 30,384.38
  4. Step 4: Simplify right side
    63,640.92x = 2,896,116,348.70
  5. Step 5: Solve for x
    x = 2,896,116,348.70/63,640.92
  6. Step 6: Final answer
    x = 45,507.14

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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.