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Finding the Fourth Proportional to 17,487.78, 24,132.31 and 9,933.92

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Solution

The fourth proportional to 17,487.78, 24,132.31 and 9,933.92 is: 13,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.78 : 24,132.31 = 9,933.92 : x
  2. Step 2: Convert to fraction form
    17,487.78/24,132.31 = 9,933.92/x
  3. Step 3: Cross multiply
    17,487.78x = 24,132.31 × 9,933.92
  4. Step 4: Simplify right side
    17,487.78x = 239,728,437.83
  5. Step 5: Solve for x
    x = 239,728,437.83/17,487.78
  6. Step 6: Final answer
    x = 13,708.34

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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.