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Finding the Fourth Proportional to 15,148.89, 22,723.29 and 5,914.89

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Solution

The fourth proportional to 15,148.89, 22,723.29 and 5,914.89 is: 8,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.89 : 22,723.29 = 5,914.89 : x
  2. Step 2: Convert to fraction form
    15,148.89/22,723.29 = 5,914.89/x
  3. Step 3: Cross multiply
    15,148.89x = 22,723.29 × 5,914.89
  4. Step 4: Simplify right side
    15,148.89x = 134,405,760.79
  5. Step 5: Solve for x
    x = 134,405,760.79/15,148.89
  6. Step 6: Final answer
    x = 8,872.32

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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.