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Finding the Fourth Proportional to 62,108.57, 93,149.80 and 19,992.42

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Solution

The fourth proportional to 62,108.57, 93,149.80 and 19,992.42 is: 29,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,108.57 : 93,149.80 = 19,992.42 : x
  2. Step 2: Convert to fraction form
    62,108.57/93,149.80 = 19,992.42/x
  3. Step 3: Cross multiply
    62,108.57x = 93,149.80 × 19,992.42
  4. Step 4: Simplify right side
    62,108.57x = 1,862,289,874.53
  5. Step 5: Solve for x
    x = 1,862,289,874.53/62,108.57
  6. Step 6: Final answer
    x = 29,984.43

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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.