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Finding the Fourth Proportional to 17,665, 26,462.87 and 10,253.92

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Solution

The fourth proportional to 17,665, 26,462.87 and 10,253.92 is: 15,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,665 : 26,462.87 = 10,253.92 : x
  2. Step 2: Convert to fraction form
    17,665/26,462.87 = 10,253.92/x
  3. Step 3: Cross multiply
    17,665x = 26,462.87 × 10,253.92
  4. Step 4: Simplify right side
    17,665x = 271,348,151.95
  5. Step 5: Solve for x
    x = 271,348,151.95/17,665
  6. Step 6: Final answer
    x = 15,360.78

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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.