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Finding the Fourth Proportional to 23,041.80, 34,554.60 and 8,251.20

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Solution

The fourth proportional to 23,041.80, 34,554.60 and 8,251.20 is: 12,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,041.80 : 34,554.60 = 8,251.20 : x
  2. Step 2: Convert to fraction form
    23,041.80/34,554.60 = 8,251.20/x
  3. Step 3: Cross multiply
    23,041.80x = 34,554.60 × 8,251.20
  4. Step 4: Simplify right side
    23,041.80x = 285,116,915.52
  5. Step 5: Solve for x
    x = 285,116,915.52/23,041.80
  6. Step 6: Final answer
    x = 12,373.90

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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.