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Finding the Fourth Proportional to 29,479.62, 40,675.53 and 17,540.61

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Solution

The fourth proportional to 29,479.62, 40,675.53 and 17,540.61 is: 24,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,479.62 : 40,675.53 = 17,540.61 : x
  2. Step 2: Convert to fraction form
    29,479.62/40,675.53 = 17,540.61/x
  3. Step 3: Cross multiply
    29,479.62x = 40,675.53 × 17,540.61
  4. Step 4: Simplify right side
    29,479.62x = 713,473,608.27
  5. Step 5: Solve for x
    x = 713,473,608.27/29,479.62
  6. Step 6: Final answer
    x = 24,202.27

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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.