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Finding the Fourth Proportional to 17,489.78, 24,134.72 and 10,319.32

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Solution

The fourth proportional to 17,489.78, 24,134.72 and 10,319.32 is: 14,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,489.78 : 24,134.72 = 10,319.32 : x
  2. Step 2: Convert to fraction form
    17,489.78/24,134.72 = 10,319.32/x
  3. Step 3: Cross multiply
    17,489.78x = 24,134.72 × 10,319.32
  4. Step 4: Simplify right side
    17,489.78x = 249,053,898.79
  5. Step 5: Solve for x
    x = 249,053,898.79/17,489.78
  6. Step 6: Final answer
    x = 14,239.97

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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.