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Finding the Fourth Proportional to 62,292, 85,970.88 and 41,115.36

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Solution

The fourth proportional to 62,292, 85,970.88 and 41,115.36 is: 56,744.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,292 : 85,970.88 = 41,115.36 : x
  2. Step 2: Convert to fraction form
    62,292/85,970.88 = 41,115.36/x
  3. Step 3: Cross multiply
    62,292x = 85,970.88 × 41,115.36
  4. Step 4: Simplify right side
    62,292x = 3,534,723,680.72
  5. Step 5: Solve for x
    x = 3,534,723,680.72/62,292
  6. Step 6: Final answer
    x = 56,744.42

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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.