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Finding the Fourth Proportional to 54,259.37, 81,479.37 and 36,603.66

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Solution

The fourth proportional to 54,259.37, 81,479.37 and 36,603.66 is: 54,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.37 : 81,479.37 = 36,603.66 : x
  2. Step 2: Convert to fraction form
    54,259.37/81,479.37 = 36,603.66/x
  3. Step 3: Cross multiply
    54,259.37x = 81,479.37 × 36,603.66
  4. Step 4: Simplify right side
    54,259.37x = 2,982,443,393.41
  5. Step 5: Solve for x
    x = 2,982,443,393.41/54,259.37
  6. Step 6: Final answer
    x = 54,966.42

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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.