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Finding the Fourth Proportional to 15,522.45, 23,265.45 and 8,123.10

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Solution

The fourth proportional to 15,522.45, 23,265.45 and 8,123.10 is: 12,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522.45 : 23,265.45 = 8,123.10 : x
  2. Step 2: Convert to fraction form
    15,522.45/23,265.45 = 8,123.10/x
  3. Step 3: Cross multiply
    15,522.45x = 23,265.45 × 8,123.10
  4. Step 4: Simplify right side
    15,522.45x = 188,987,576.90
  5. Step 5: Solve for x
    x = 188,987,576.90/15,522.45
  6. Step 6: Final answer
    x = 12,175.11

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1.5x scale

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.