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Finding the Fourth Proportional to 62,752.88, 94,129.36 and 39,395.72

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Solution

The fourth proportional to 62,752.88, 94,129.36 and 39,395.72 is: 59,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,752.88 : 94,129.36 = 39,395.72 : x
  2. Step 2: Convert to fraction form
    62,752.88/94,129.36 = 39,395.72/x
  3. Step 3: Cross multiply
    62,752.88x = 94,129.36 × 39,395.72
  4. Step 4: Simplify right side
    62,752.88x = 3,708,293,910.34
  5. Step 5: Solve for x
    x = 3,708,293,910.34/62,752.88
  6. Step 6: Final answer
    x = 59,093.61

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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.