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Finding the Fourth Proportional to 17,689.20, 24,410.48 and 9,731.34

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Solution

The fourth proportional to 17,689.20, 24,410.48 and 9,731.34 is: 13,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,689.20 : 24,410.48 = 9,731.34 : x
  2. Step 2: Convert to fraction form
    17,689.20/24,410.48 = 9,731.34/x
  3. Step 3: Cross multiply
    17,689.20x = 24,410.48 × 9,731.34
  4. Step 4: Simplify right side
    17,689.20x = 237,546,680.44
  5. Step 5: Solve for x
    x = 237,546,680.44/17,689.20
  6. Step 6: Final answer
    x = 13,428.91

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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.