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Finding the Fourth Proportional to 17,891.52, 24,691.14 and 9,933.72

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Solution

The fourth proportional to 17,891.52, 24,691.14 and 9,933.72 is: 13,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.52 : 24,691.14 = 9,933.72 : x
  2. Step 2: Convert to fraction form
    17,891.52/24,691.14 = 9,933.72/x
  3. Step 3: Cross multiply
    17,891.52x = 24,691.14 × 9,933.72
  4. Step 4: Simplify right side
    17,891.52x = 245,274,871.24
  5. Step 5: Solve for x
    x = 245,274,871.24/17,891.52
  6. Step 6: Final answer
    x = 13,709.00

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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.