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Finding the Fourth Proportional to 54,695.03, 81,978.05 and 24,674.13

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Solution

The fourth proportional to 54,695.03, 81,978.05 and 24,674.13 is: 36,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,695.03 : 81,978.05 = 24,674.13 : x
  2. Step 2: Convert to fraction form
    54,695.03/81,978.05 = 24,674.13/x
  3. Step 3: Cross multiply
    54,695.03x = 81,978.05 × 24,674.13
  4. Step 4: Simplify right side
    54,695.03x = 2,022,736,939.48
  5. Step 5: Solve for x
    x = 2,022,736,939.48/54,695.03
  6. Step 6: Final answer
    x = 36,982.10

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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.