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Finding the Fourth Proportional to 66,253.24, 99,394.44 and 28,819.18

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Solution

The fourth proportional to 66,253.24, 99,394.44 and 28,819.18 is: 43,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,253.24 : 99,394.44 = 28,819.18 : x
  2. Step 2: Convert to fraction form
    66,253.24/99,394.44 = 28,819.18/x
  3. Step 3: Cross multiply
    66,253.24x = 99,394.44 × 28,819.18
  4. Step 4: Simplify right side
    66,253.24x = 2,864,466,257.36
  5. Step 5: Solve for x
    x = 2,864,466,257.36/66,253.24
  6. Step 6: Final answer
    x = 43,235.11

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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.