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Finding the Fourth Proportional to 15,318.73, 22,983.05 and 7,522.08

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Solution

The fourth proportional to 15,318.73, 22,983.05 and 7,522.08 is: 11,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.73 : 22,983.05 = 7,522.08 : x
  2. Step 2: Convert to fraction form
    15,318.73/22,983.05 = 7,522.08/x
  3. Step 3: Cross multiply
    15,318.73x = 22,983.05 × 7,522.08
  4. Step 4: Simplify right side
    15,318.73x = 172,880,340.74
  5. Step 5: Solve for x
    x = 172,880,340.74/15,318.73
  6. Step 6: Final answer
    x = 11,285.55

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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.