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Finding the Fourth Proportional to 10,722.62, 14,799.02 and 6,248.99

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Solution

The fourth proportional to 10,722.62, 14,799.02 and 6,248.99 is: 8,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.62 : 14,799.02 = 6,248.99 : x
  2. Step 2: Convert to fraction form
    10,722.62/14,799.02 = 6,248.99/x
  3. Step 3: Cross multiply
    10,722.62x = 14,799.02 × 6,248.99
  4. Step 4: Simplify right side
    10,722.62x = 92,478,933.74
  5. Step 5: Solve for x
    x = 92,478,933.74/10,722.62
  6. Step 6: Final answer
    x = 8,624.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.