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Finding the Fourth Proportional to 60,428.84, 83,324.57 and 41,311.72

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Solution

The fourth proportional to 60,428.84, 83,324.57 and 41,311.72 is: 56,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,428.84 : 83,324.57 = 41,311.72 : x
  2. Step 2: Convert to fraction form
    60,428.84/83,324.57 = 41,311.72/x
  3. Step 3: Cross multiply
    60,428.84x = 83,324.57 × 41,311.72
  4. Step 4: Simplify right side
    60,428.84x = 3,442,281,202.56
  5. Step 5: Solve for x
    x = 3,442,281,202.56/60,428.84
  6. Step 6: Final answer
    x = 56,964.22

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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.