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Finding the Fourth Proportional to 27,737, 38,277.42 and 15,162.02

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Solution

The fourth proportional to 27,737, 38,277.42 and 15,162.02 is: 20,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,737 : 38,277.42 = 15,162.02 : x
  2. Step 2: Convert to fraction form
    27,737/38,277.42 = 15,162.02/x
  3. Step 3: Cross multiply
    27,737x = 38,277.42 × 15,162.02
  4. Step 4: Simplify right side
    27,737x = 580,363,007.59
  5. Step 5: Solve for x
    x = 580,363,007.59/27,737
  6. Step 6: Final answer
    x = 20,923.78

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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.