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Finding the Fourth Proportional to 73,612.44, 101,581.56 and 41,780.88

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Solution

The fourth proportional to 73,612.44, 101,581.56 and 41,780.88 is: 57,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,612.44 : 101,581.56 = 41,780.88 : x
  2. Step 2: Convert to fraction form
    73,612.44/101,581.56 = 41,780.88/x
  3. Step 3: Cross multiply
    73,612.44x = 101,581.56 × 41,780.88
  4. Step 4: Simplify right side
    73,612.44x = 4,244,166,968.57
  5. Step 5: Solve for x
    x = 4,244,166,968.57/73,612.44
  6. Step 6: Final answer
    x = 57,655.57

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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.