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Finding the Fourth Proportional to 17,438.90, 24,065.42 and 9,481.06

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Solution

The fourth proportional to 17,438.90, 24,065.42 and 9,481.06 is: 13,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,438.90 : 24,065.42 = 9,481.06 : x
  2. Step 2: Convert to fraction form
    17,438.90/24,065.42 = 9,481.06/x
  3. Step 3: Cross multiply
    17,438.90x = 24,065.42 × 9,481.06
  4. Step 4: Simplify right side
    17,438.90x = 228,165,570.62
  5. Step 5: Solve for x
    x = 228,165,570.62/17,438.90
  6. Step 6: Final answer
    x = 13,083.71

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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.