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Finding the Fourth Proportional to 15,529, 23,293.66 and 8,618.04

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Solution

The fourth proportional to 15,529, 23,293.66 and 8,618.04 is: 12,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529 : 23,293.66 = 8,618.04 : x
  2. Step 2: Convert to fraction form
    15,529/23,293.66 = 8,618.04/x
  3. Step 3: Cross multiply
    15,529x = 23,293.66 × 8,618.04
  4. Step 4: Simplify right side
    15,529x = 200,745,693.63
  5. Step 5: Solve for x
    x = 200,745,693.63/15,529
  6. Step 6: Final answer
    x = 12,927.15

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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.