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Finding the Fourth Proportional to 25,469.39, 38,218.95 and 10,677.17

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Solution

The fourth proportional to 25,469.39, 38,218.95 and 10,677.17 is: 16,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,469.39 : 38,218.95 = 10,677.17 : x
  2. Step 2: Convert to fraction form
    25,469.39/38,218.95 = 10,677.17/x
  3. Step 3: Cross multiply
    25,469.39x = 38,218.95 × 10,677.17
  4. Step 4: Simplify right side
    25,469.39x = 408,070,035.28
  5. Step 5: Solve for x
    x = 408,070,035.28/25,469.39
  6. Step 6: Final answer
    x = 16,021.98

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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.