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Finding the Fourth Proportional to 62,470.42, 86,154.68 and 44,285.18

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Solution

The fourth proportional to 62,470.42, 86,154.68 and 44,285.18 is: 61,074.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,470.42 : 86,154.68 = 44,285.18 : x
  2. Step 2: Convert to fraction form
    62,470.42/86,154.68 = 44,285.18/x
  3. Step 3: Cross multiply
    62,470.42x = 86,154.68 × 44,285.18
  4. Step 4: Simplify right side
    62,470.42x = 3,815,375,511.64
  5. Step 5: Solve for x
    x = 3,815,375,511.64/62,470.42
  6. Step 6: Final answer
    x = 61,074.91

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1.5x scale

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.