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Finding the Fourth Proportional to 73,768.62, 101,793.87 and 41,931.30

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Solution

The fourth proportional to 73,768.62, 101,793.87 and 41,931.30 is: 57,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,768.62 : 101,793.87 = 41,931.30 : x
  2. Step 2: Convert to fraction form
    73,768.62/101,793.87 = 41,931.30/x
  3. Step 3: Cross multiply
    73,768.62x = 101,793.87 × 41,931.30
  4. Step 4: Simplify right side
    73,768.62x = 4,268,349,301.13
  5. Step 5: Solve for x
    x = 4,268,349,301.13/73,768.62
  6. Step 6: Final answer
    x = 57,861.31

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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.