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Finding the Fourth Proportional to 49,489.76, 74,101.80 and 41,616.56

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Solution

The fourth proportional to 49,489.76, 74,101.80 and 41,616.56 is: 62,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,489.76 : 74,101.80 = 41,616.56 : x
  2. Step 2: Convert to fraction form
    49,489.76/74,101.80 = 41,616.56/x
  3. Step 3: Cross multiply
    49,489.76x = 74,101.80 × 41,616.56
  4. Step 4: Simplify right side
    49,489.76x = 3,083,862,005.81
  5. Step 5: Solve for x
    x = 3,083,862,005.81/49,489.76
  6. Step 6: Final answer
    x = 62,313.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.