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Finding the Fourth Proportional to 54,614.61, 75,391.39 and 36,719.99

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Solution

The fourth proportional to 54,614.61, 75,391.39 and 36,719.99 is: 50,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,614.61 : 75,391.39 = 36,719.99 : x
  2. Step 2: Convert to fraction form
    54,614.61/75,391.39 = 36,719.99/x
  3. Step 3: Cross multiply
    54,614.61x = 75,391.39 × 36,719.99
  4. Step 4: Simplify right side
    54,614.61x = 2,768,371,086.89
  5. Step 5: Solve for x
    x = 2,768,371,086.89/54,614.61
  6. Step 6: Final answer
    x = 50,689.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.