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Finding the Fourth Proportional to 29,275.39, 40,400.82 and 17,786.39

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Solution

The fourth proportional to 29,275.39, 40,400.82 and 17,786.39 is: 24,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,275.39 : 40,400.82 = 17,786.39 : x
  2. Step 2: Convert to fraction form
    29,275.39/40,400.82 = 17,786.39/x
  3. Step 3: Cross multiply
    29,275.39x = 40,400.82 × 17,786.39
  4. Step 4: Simplify right side
    29,275.39x = 718,584,449.90
  5. Step 5: Solve for x
    x = 718,584,449.90/29,275.39
  6. Step 6: Final answer
    x = 24,545.69

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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.