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Finding the Fourth Proportional to 75,963.26, 113,939.22 and 29,753.57

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Solution

The fourth proportional to 75,963.26, 113,939.22 and 29,753.57 is: 44,628.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,963.26 : 113,939.22 = 29,753.57 : x
  2. Step 2: Convert to fraction form
    75,963.26/113,939.22 = 29,753.57/x
  3. Step 3: Cross multiply
    75,963.26x = 113,939.22 × 29,753.57
  4. Step 4: Simplify right side
    75,963.26x = 3,390,098,558.02
  5. Step 5: Solve for x
    x = 3,390,098,558.02/75,963.26
  6. Step 6: Final answer
    x = 44,628.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.