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Finding the Fourth Proportional to 39,881.55, 59,822.43 and 37,445.79

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Solution

The fourth proportional to 39,881.55, 59,822.43 and 37,445.79 is: 56,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,881.55 : 59,822.43 = 37,445.79 : x
  2. Step 2: Convert to fraction form
    39,881.55/59,822.43 = 37,445.79/x
  3. Step 3: Cross multiply
    39,881.55x = 59,822.43 × 37,445.79
  4. Step 4: Simplify right side
    39,881.55x = 2,240,098,151.07
  5. Step 5: Solve for x
    x = 2,240,098,151.07/39,881.55
  6. Step 6: Final answer
    x = 56,168.78

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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.