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Finding the Fourth Proportional to 29,665.39, 40,953.05 and 17,087.71

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Solution

The fourth proportional to 29,665.39, 40,953.05 and 17,087.71 is: 23,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,665.39 : 40,953.05 = 17,087.71 : x
  2. Step 2: Convert to fraction form
    29,665.39/40,953.05 = 17,087.71/x
  3. Step 3: Cross multiply
    29,665.39x = 40,953.05 × 17,087.71
  4. Step 4: Simplify right side
    29,665.39x = 699,793,842.02
  5. Step 5: Solve for x
    x = 699,793,842.02/29,665.39
  6. Step 6: Final answer
    x = 23,589.57

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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.