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Finding the Fourth Proportional to 73,605.77, 101,581.20 and 41,776.72

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Solution

The fourth proportional to 73,605.77, 101,581.20 and 41,776.72 is: 57,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,605.77 : 101,581.20 = 41,776.72 : x
  2. Step 2: Convert to fraction form
    73,605.77/101,581.20 = 41,776.72/x
  3. Step 3: Cross multiply
    73,605.77x = 101,581.20 × 41,776.72
  4. Step 4: Simplify right side
    73,605.77x = 4,243,729,349.66
  5. Step 5: Solve for x
    x = 4,243,729,349.66/73,605.77
  6. Step 6: Final answer
    x = 57,654.85

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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.