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Finding the Fourth Proportional to 40,593.96, 60,792.53 and 28,078.86

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Solution

The fourth proportional to 40,593.96, 60,792.53 and 28,078.86 is: 42,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,593.96 : 60,792.53 = 28,078.86 : x
  2. Step 2: Convert to fraction form
    40,593.96/60,792.53 = 28,078.86/x
  3. Step 3: Cross multiply
    40,593.96x = 60,792.53 × 28,078.86
  4. Step 4: Simplify right side
    40,593.96x = 1,706,984,938.92
  5. Step 5: Solve for x
    x = 1,706,984,938.92/40,593.96
  6. Step 6: Final answer
    x = 42,050.22

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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.