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Finding the Fourth Proportional to 14,248.84, 21,375.12 and 5,482.66

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Solution

The fourth proportional to 14,248.84, 21,375.12 and 5,482.66 is: 8,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.84 : 21,375.12 = 5,482.66 : x
  2. Step 2: Convert to fraction form
    14,248.84/21,375.12 = 5,482.66/x
  3. Step 3: Cross multiply
    14,248.84x = 21,375.12 × 5,482.66
  4. Step 4: Simplify right side
    14,248.84x = 117,192,515.42
  5. Step 5: Solve for x
    x = 117,192,515.42/14,248.84
  6. Step 6: Final answer
    x = 8,224.71

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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.