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Finding the Fourth Proportional to 17,889.89, 24,689.16 and 9,932.27

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Solution

The fourth proportional to 17,889.89, 24,689.16 and 9,932.27 is: 13,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.89 : 24,689.16 = 9,932.27 : x
  2. Step 2: Convert to fraction form
    17,889.89/24,689.16 = 9,932.27/x
  3. Step 3: Cross multiply
    17,889.89x = 24,689.16 × 9,932.27
  4. Step 4: Simplify right side
    17,889.89x = 245,219,279.75
  5. Step 5: Solve for x
    x = 245,219,279.75/17,889.89
  6. Step 6: Final answer
    x = 13,707.15

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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.