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Finding the Fourth Proportional to 73,494.52, 101,423.46 and 39,960.52

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Solution

The fourth proportional to 73,494.52, 101,423.46 and 39,960.52 is: 55,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,494.52 : 101,423.46 = 39,960.52 : x
  2. Step 2: Convert to fraction form
    73,494.52/101,423.46 = 39,960.52/x
  3. Step 3: Cross multiply
    73,494.52x = 101,423.46 × 39,960.52
  4. Step 4: Simplify right side
    73,494.52x = 4,052,934,201.80
  5. Step 5: Solve for x
    x = 4,052,934,201.80/73,494.52
  6. Step 6: Final answer
    x = 55,146.07

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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.