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Finding the Fourth Proportional to 25,402.92, 38,106.92 and 8,760.76

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Solution

The fourth proportional to 25,402.92, 38,106.92 and 8,760.76 is: 13,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,402.92 : 38,106.92 = 8,760.76 : x
  2. Step 2: Convert to fraction form
    25,402.92/38,106.92 = 8,760.76/x
  3. Step 3: Cross multiply
    25,402.92x = 38,106.92 × 8,760.76
  4. Step 4: Simplify right side
    25,402.92x = 333,845,580.46
  5. Step 5: Solve for x
    x = 333,845,580.46/25,402.92
  6. Step 6: Final answer
    x = 13,142.02

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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.