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Finding the Fourth Proportional to 62,886.42, 86,795.58 and 36,046.90

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Solution

The fourth proportional to 62,886.42, 86,795.58 and 36,046.90 is: 49,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,886.42 : 86,795.58 = 36,046.90 : x
  2. Step 2: Convert to fraction form
    62,886.42/86,795.58 = 36,046.90/x
  3. Step 3: Cross multiply
    62,886.42x = 86,795.58 × 36,046.90
  4. Step 4: Simplify right side
    62,886.42x = 3,128,711,592.70
  5. Step 5: Solve for x
    x = 3,128,711,592.70/62,886.42
  6. Step 6: Final answer
    x = 49,751.78

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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.