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Finding the Fourth Proportional to 62,380.80, 93,387.60 and 38,936.16

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Solution

The fourth proportional to 62,380.80, 93,387.60 and 38,936.16 is: 58,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,380.80 : 93,387.60 = 38,936.16 : x
  2. Step 2: Convert to fraction form
    62,380.80/93,387.60 = 38,936.16/x
  3. Step 3: Cross multiply
    62,380.80x = 93,387.60 × 38,936.16
  4. Step 4: Simplify right side
    62,380.80x = 3,636,154,535.62
  5. Step 5: Solve for x
    x = 3,636,154,535.62/62,380.80
  6. Step 6: Final answer
    x = 58,289.64

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1.5x scale

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.