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Finding the Fourth Proportional to 18,376.87, 27,562.01 and 4,868.13

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Solution

The fourth proportional to 18,376.87, 27,562.01 and 4,868.13 is: 7,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.87 : 27,562.01 = 4,868.13 : x
  2. Step 2: Convert to fraction form
    18,376.87/27,562.01 = 4,868.13/x
  3. Step 3: Cross multiply
    18,376.87x = 27,562.01 × 4,868.13
  4. Step 4: Simplify right side
    18,376.87x = 134,175,431.02
  5. Step 5: Solve for x
    x = 134,175,431.02/18,376.87
  6. Step 6: Final answer
    x = 7,301.32

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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.