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Finding the Fourth Proportional to 73,562.32, 101,517 and 40,027.60

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Solution

The fourth proportional to 73,562.32, 101,517 and 40,027.60 is: 55,238.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,562.32 : 101,517 = 40,027.60 : x
  2. Step 2: Convert to fraction form
    73,562.32/101,517 = 40,027.60/x
  3. Step 3: Cross multiply
    73,562.32x = 101,517 × 40,027.60
  4. Step 4: Simplify right side
    73,562.32x = 4,063,481,869.20
  5. Step 5: Solve for x
    x = 4,063,481,869.20/73,562.32
  6. Step 6: Final answer
    x = 55,238.63

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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.