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Finding the Fourth Proportional to 62,651.90, 93,993.24 and 18,279.11

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Solution

The fourth proportional to 62,651.90, 93,993.24 and 18,279.11 is: 27,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,651.90 : 93,993.24 = 18,279.11 : x
  2. Step 2: Convert to fraction form
    62,651.90/93,993.24 = 18,279.11/x
  3. Step 3: Cross multiply
    62,651.90x = 93,993.24 × 18,279.11
  4. Step 4: Simplify right side
    62,651.90x = 1,718,112,773.22
  5. Step 5: Solve for x
    x = 1,718,112,773.22/62,651.90
  6. Step 6: Final answer
    x = 27,423.16

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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.