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Finding the Fourth Proportional to 29,381.73, 40,542.71 and 17,282.76

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Solution

The fourth proportional to 29,381.73, 40,542.71 and 17,282.76 is: 23,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.73 : 40,542.71 = 17,282.76 : x
  2. Step 2: Convert to fraction form
    29,381.73/40,542.71 = 17,282.76/x
  3. Step 3: Cross multiply
    29,381.73x = 40,542.71 × 17,282.76
  4. Step 4: Simplify right side
    29,381.73x = 700,689,840.27
  5. Step 5: Solve for x
    x = 700,689,840.27/29,381.73
  6. Step 6: Final answer
    x = 23,847.81

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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.