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Finding the Fourth Proportional to 73,580.88, 101,542.68 and 40,046.88

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Solution

The fourth proportional to 73,580.88, 101,542.68 and 40,046.88 is: 55,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,580.88 : 101,542.68 = 40,046.88 : x
  2. Step 2: Convert to fraction form
    73,580.88/101,542.68 = 40,046.88/x
  3. Step 3: Cross multiply
    73,580.88x = 101,542.68 × 40,046.88
  4. Step 4: Simplify right side
    73,580.88x = 4,066,467,520.84
  5. Step 5: Solve for x
    x = 4,066,467,520.84/73,580.88
  6. Step 6: Final answer
    x = 55,265.27

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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.