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Finding the Fourth Proportional to 15,118.64, 22,524.64 and 14,375.12

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Solution

The fourth proportional to 15,118.64, 22,524.64 and 14,375.12 is: 21,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.64 : 22,524.64 = 14,375.12 : x
  2. Step 2: Convert to fraction form
    15,118.64/22,524.64 = 14,375.12/x
  3. Step 3: Cross multiply
    15,118.64x = 22,524.64 × 14,375.12
  4. Step 4: Simplify right side
    15,118.64x = 323,794,402.96
  5. Step 5: Solve for x
    x = 323,794,402.96/15,118.64
  6. Step 6: Final answer
    x = 21,416.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.