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Finding the Fourth Proportional to 15,311.16, 22,954.08 and 5,821.52

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Solution

The fourth proportional to 15,311.16, 22,954.08 and 5,821.52 is: 8,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.16 : 22,954.08 = 5,821.52 : x
  2. Step 2: Convert to fraction form
    15,311.16/22,954.08 = 5,821.52/x
  3. Step 3: Cross multiply
    15,311.16x = 22,954.08 × 5,821.52
  4. Step 4: Simplify right side
    15,311.16x = 133,627,635.80
  5. Step 5: Solve for x
    x = 133,627,635.80/15,311.16
  6. Step 6: Final answer
    x = 8,727.47

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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.