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Finding the Fourth Proportional to 73,791.30, 101,803.05 and 45,447.78

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Solution

The fourth proportional to 73,791.30, 101,803.05 and 45,447.78 is: 62,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,791.30 : 101,803.05 = 45,447.78 : x
  2. Step 2: Convert to fraction form
    73,791.30/101,803.05 = 45,447.78/x
  3. Step 3: Cross multiply
    73,791.30x = 101,803.05 × 45,447.78
  4. Step 4: Simplify right side
    73,791.30x = 4,626,722,619.73
  5. Step 5: Solve for x
    x = 4,626,722,619.73/73,791.30
  6. Step 6: Final answer
    x = 62,700.11

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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.