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Finding the Fourth Proportional to 23,291.56, 34,891.56 and 15,369.91

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Solution

The fourth proportional to 23,291.56, 34,891.56 and 15,369.91 is: 23,024.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.56 : 34,891.56 = 15,369.91 : x
  2. Step 2: Convert to fraction form
    23,291.56/34,891.56 = 15,369.91/x
  3. Step 3: Cross multiply
    23,291.56x = 34,891.56 × 15,369.91
  4. Step 4: Simplify right side
    23,291.56x = 536,280,136.96
  5. Step 5: Solve for x
    x = 536,280,136.96/23,291.56
  6. Step 6: Final answer
    x = 23,024.66

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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.