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Finding the Fourth Proportional to 54,591.84, 75,377.80 and 53,719.94

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Solution

The fourth proportional to 54,591.84, 75,377.80 and 53,719.94 is: 74,173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.84 : 75,377.80 = 53,719.94 : x
  2. Step 2: Convert to fraction form
    54,591.84/75,377.80 = 53,719.94/x
  3. Step 3: Cross multiply
    54,591.84x = 75,377.80 × 53,719.94
  4. Step 4: Simplify right side
    54,591.84x = 4,049,290,866.26
  5. Step 5: Solve for x
    x = 4,049,290,866.26/54,591.84
  6. Step 6: Final answer
    x = 74,173.92

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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.