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Finding the Fourth Proportional to 15,034.17, 20,747.07 and 8,410.17

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Solution

The fourth proportional to 15,034.17, 20,747.07 and 8,410.17 is: 11,605.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034.17 : 20,747.07 = 8,410.17 : x
  2. Step 2: Convert to fraction form
    15,034.17/20,747.07 = 8,410.17/x
  3. Step 3: Cross multiply
    15,034.17x = 20,747.07 × 8,410.17
  4. Step 4: Simplify right side
    15,034.17x = 174,486,385.70
  5. Step 5: Solve for x
    x = 174,486,385.70/15,034.17
  6. Step 6: Final answer
    x = 11,605.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.