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Finding the Fourth Proportional to 54,499, 81,750.36 and 15,059.14

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Solution

The fourth proportional to 54,499, 81,750.36 and 15,059.14 is: 22,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,499 : 81,750.36 = 15,059.14 : x
  2. Step 2: Convert to fraction form
    54,499/81,750.36 = 15,059.14/x
  3. Step 3: Cross multiply
    54,499x = 81,750.36 × 15,059.14
  4. Step 4: Simplify right side
    54,499x = 1,231,090,116.29
  5. Step 5: Solve for x
    x = 1,231,090,116.29/54,499
  6. Step 6: Final answer
    x = 22,589.22

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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.