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Finding the Fourth Proportional to 25,932.48, 38,894.40 and 8,414.88

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Solution

The fourth proportional to 25,932.48, 38,894.40 and 8,414.88 is: 12,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,932.48 : 38,894.40 = 8,414.88 : x
  2. Step 2: Convert to fraction form
    25,932.48/38,894.40 = 8,414.88/x
  3. Step 3: Cross multiply
    25,932.48x = 38,894.40 × 8,414.88
  4. Step 4: Simplify right side
    25,932.48x = 327,291,708.67
  5. Step 5: Solve for x
    x = 327,291,708.67/25,932.48
  6. Step 6: Final answer
    x = 12,620.92

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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.