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Finding the Fourth Proportional to 54,410.59, 81,552.70 and 31,053.43

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Solution

The fourth proportional to 54,410.59, 81,552.70 and 31,053.43 is: 46,544.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,410.59 : 81,552.70 = 31,053.43 : x
  2. Step 2: Convert to fraction form
    54,410.59/81,552.70 = 31,053.43/x
  3. Step 3: Cross multiply
    54,410.59x = 81,552.70 × 31,053.43
  4. Step 4: Simplify right side
    54,410.59x = 2,532,491,060.76
  5. Step 5: Solve for x
    x = 2,532,491,060.76/54,410.59
  6. Step 6: Final answer
    x = 46,544.08

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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.