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Finding the Fourth Proportional to 60,913.89, 84,061.77 and 34,057.88

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Solution

The fourth proportional to 60,913.89, 84,061.77 and 34,057.88 is: 47,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,913.89 : 84,061.77 = 34,057.88 : x
  2. Step 2: Convert to fraction form
    60,913.89/84,061.77 = 34,057.88/x
  3. Step 3: Cross multiply
    60,913.89x = 84,061.77 × 34,057.88
  4. Step 4: Simplify right side
    60,913.89x = 2,862,965,254.94
  5. Step 5: Solve for x
    x = 2,862,965,254.94/60,913.89
  6. Step 6: Final answer
    x = 47,000.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.