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Finding the Fourth Proportional to 54,483.87, 81,730.51 and 15,040.99

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Solution

The fourth proportional to 54,483.87, 81,730.51 and 15,040.99 is: 22,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,483.87 : 81,730.51 = 15,040.99 : x
  2. Step 2: Convert to fraction form
    54,483.87/81,730.51 = 15,040.99/x
  3. Step 3: Cross multiply
    54,483.87x = 81,730.51 × 15,040.99
  4. Step 4: Simplify right side
    54,483.87x = 1,229,307,541.68
  5. Step 5: Solve for x
    x = 1,229,307,541.68/54,483.87
  6. Step 6: Final answer
    x = 22,562.78

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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.