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Finding the Fourth Proportional to 54,837.81, 75,605.81 and 44,978.76

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Solution

The fourth proportional to 54,837.81, 75,605.81 and 44,978.76 is: 62,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,837.81 : 75,605.81 = 44,978.76 : x
  2. Step 2: Convert to fraction form
    54,837.81/75,605.81 = 44,978.76/x
  3. Step 3: Cross multiply
    54,837.81x = 75,605.81 × 44,978.76
  4. Step 4: Simplify right side
    54,837.81x = 3,400,655,357.70
  5. Step 5: Solve for x
    x = 3,400,655,357.70/54,837.81
  6. Step 6: Final answer
    x = 62,012.97

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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.