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Finding the Fourth Proportional to 62,497.40, 86,244.28 and 35,648.60

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Solution

The fourth proportional to 62,497.40, 86,244.28 and 35,648.60 is: 49,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,497.40 : 86,244.28 = 35,648.60 : x
  2. Step 2: Convert to fraction form
    62,497.40/86,244.28 = 35,648.60/x
  3. Step 3: Cross multiply
    62,497.40x = 86,244.28 × 35,648.60
  4. Step 4: Simplify right side
    62,497.40x = 3,074,487,319.67
  5. Step 5: Solve for x
    x = 3,074,487,319.67/62,497.40
  6. Step 6: Final answer
    x = 49,193.85

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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.