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Finding the Fourth Proportional to 25,294.59, 37,940.76 and 8,656.11

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Solution

The fourth proportional to 25,294.59, 37,940.76 and 8,656.11 is: 12,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294.59 : 37,940.76 = 8,656.11 : x
  2. Step 2: Convert to fraction form
    25,294.59/37,940.76 = 8,656.11/x
  3. Step 3: Cross multiply
    25,294.59x = 37,940.76 × 8,656.11
  4. Step 4: Simplify right side
    25,294.59x = 328,419,392.04
  5. Step 5: Solve for x
    x = 328,419,392.04/25,294.59
  6. Step 6: Final answer
    x = 12,983.78

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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.