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Finding the Fourth Proportional to 15,466, 23,179.98 and 7,134.44

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Solution

The fourth proportional to 15,466, 23,179.98 and 7,134.44 is: 10,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466 : 23,179.98 = 7,134.44 : x
  2. Step 2: Convert to fraction form
    15,466/23,179.98 = 7,134.44/x
  3. Step 3: Cross multiply
    15,466x = 23,179.98 × 7,134.44
  4. Step 4: Simplify right side
    15,466x = 165,376,176.51
  5. Step 5: Solve for x
    x = 165,376,176.51/15,466
  6. Step 6: Final answer
    x = 10,692.89

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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.