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Finding the Fourth Proportional to 17,165.58, 25,610.12 and 15,294.30

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Solution

The fourth proportional to 17,165.58, 25,610.12 and 15,294.30 is: 22,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,165.58 : 25,610.12 = 15,294.30 : x
  2. Step 2: Convert to fraction form
    17,165.58/25,610.12 = 15,294.30/x
  3. Step 3: Cross multiply
    17,165.58x = 25,610.12 × 15,294.30
  4. Step 4: Simplify right side
    17,165.58x = 391,688,781.84
  5. Step 5: Solve for x
    x = 391,688,781.84/17,165.58
  6. Step 6: Final answer
    x = 22,818.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.