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Finding the Fourth Proportional to 63,586, 95,355.96 and 28,507.60

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Solution

The fourth proportional to 63,586, 95,355.96 and 28,507.60 is: 42,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,586 : 95,355.96 = 28,507.60 : x
  2. Step 2: Convert to fraction form
    63,586/95,355.96 = 28,507.60/x
  3. Step 3: Cross multiply
    63,586x = 95,355.96 × 28,507.60
  4. Step 4: Simplify right side
    63,586x = 2,718,369,565.30
  5. Step 5: Solve for x
    x = 2,718,369,565.30/63,586
  6. Step 6: Final answer
    x = 42,751.07

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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.