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Finding the Fourth Proportional to 4,327.88, 6,492.89 and 1,249.88

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Solution

The fourth proportional to 4,327.88, 6,492.89 and 1,249.88 is: 1,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.88 : 6,492.89 = 1,249.88 : x
  2. Step 2: Convert to fraction form
    4,327.88/6,492.89 = 1,249.88/x
  3. Step 3: Cross multiply
    4,327.88x = 6,492.89 × 1,249.88
  4. Step 4: Simplify right side
    4,327.88x = 8,115,304.01
  5. Step 5: Solve for x
    x = 8,115,304.01/4,327.88
  6. Step 6: Final answer
    x = 1,875.12

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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.