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Finding the Fourth Proportional to 15,609.16, 23,423.50 and 6,375.16

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Solution

The fourth proportional to 15,609.16, 23,423.50 and 6,375.16 is: 9,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.16 : 23,423.50 = 6,375.16 : x
  2. Step 2: Convert to fraction form
    15,609.16/23,423.50 = 6,375.16/x
  3. Step 3: Cross multiply
    15,609.16x = 23,423.50 × 6,375.16
  4. Step 4: Simplify right side
    15,609.16x = 149,328,560.26
  5. Step 5: Solve for x
    x = 149,328,560.26/15,609.16
  6. Step 6: Final answer
    x = 9,566.73

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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.