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Finding the Fourth Proportional to 73,610.88, 101,581.42 and 42,989.24

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Solution

The fourth proportional to 73,610.88, 101,581.42 and 42,989.24 is: 59,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,610.88 : 101,581.42 = 42,989.24 : x
  2. Step 2: Convert to fraction form
    73,610.88/101,581.42 = 42,989.24/x
  3. Step 3: Cross multiply
    73,610.88x = 101,581.42 × 42,989.24
  4. Step 4: Simplify right side
    73,610.88x = 4,366,908,043.92
  5. Step 5: Solve for x
    x = 4,366,908,043.92/73,610.88
  6. Step 6: Final answer
    x = 59,324.22

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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.