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Finding the Fourth Proportional to 39,609.54, 59,414.31 and 9,623.61

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Solution

The fourth proportional to 39,609.54, 59,414.31 and 9,623.61 is: 14,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,609.54 : 59,414.31 = 9,623.61 : x
  2. Step 2: Convert to fraction form
    39,609.54/59,414.31 = 9,623.61/x
  3. Step 3: Cross multiply
    39,609.54x = 59,414.31 × 9,623.61
  4. Step 4: Simplify right side
    39,609.54x = 571,780,147.86
  5. Step 5: Solve for x
    x = 571,780,147.86/39,609.54
  6. Step 6: Final answer
    x = 14,435.42

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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.