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Finding the Fourth Proportional to 54,689.81, 82,035.06 and 15,247.27

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Solution

The fourth proportional to 54,689.81, 82,035.06 and 15,247.27 is: 22,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,689.81 : 82,035.06 = 15,247.27 : x
  2. Step 2: Convert to fraction form
    54,689.81/82,035.06 = 15,247.27/x
  3. Step 3: Cross multiply
    54,689.81x = 82,035.06 × 15,247.27
  4. Step 4: Simplify right side
    54,689.81x = 1,250,810,504.20
  5. Step 5: Solve for x
    x = 1,250,810,504.20/54,689.81
  6. Step 6: Final answer
    x = 22,871.00

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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.