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Finding the Fourth Proportional to 58,512.87, 80,713.13 and 35,862.03

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Solution

The fourth proportional to 58,512.87, 80,713.13 and 35,862.03 is: 49,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,512.87 : 80,713.13 = 35,862.03 : x
  2. Step 2: Convert to fraction form
    58,512.87/80,713.13 = 35,862.03/x
  3. Step 3: Cross multiply
    58,512.87x = 80,713.13 × 35,862.03
  4. Step 4: Simplify right side
    58,512.87x = 2,894,536,510.14
  5. Step 5: Solve for x
    x = 2,894,536,510.14/58,512.87
  6. Step 6: Final answer
    x = 49,468.37

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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.