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Finding the Fourth Proportional to 15,872.10, 23,863.05 and 14,844.30

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Solution

The fourth proportional to 15,872.10, 23,863.05 and 14,844.30 is: 22,317.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,872.10 : 23,863.05 = 14,844.30 : x
  2. Step 2: Convert to fraction form
    15,872.10/23,863.05 = 14,844.30/x
  3. Step 3: Cross multiply
    15,872.10x = 23,863.05 × 14,844.30
  4. Step 4: Simplify right side
    15,872.10x = 354,230,273.12
  5. Step 5: Solve for x
    x = 354,230,273.12/15,872.10
  6. Step 6: Final answer
    x = 22,317.79

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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.