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Finding the Fourth Proportional to 57,989.70, 80,024.43 and 34,117.91

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Solution

The fourth proportional to 57,989.70, 80,024.43 and 34,117.91 is: 47,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,989.70 : 80,024.43 = 34,117.91 : x
  2. Step 2: Convert to fraction form
    57,989.70/80,024.43 = 34,117.91/x
  3. Step 3: Cross multiply
    57,989.70x = 80,024.43 × 34,117.91
  4. Step 4: Simplify right side
    57,989.70x = 2,730,266,300.54
  5. Step 5: Solve for x
    x = 2,730,266,300.54/57,989.70
  6. Step 6: Final answer
    x = 47,081.92

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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.