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Finding the Fourth Proportional to 9,252.65, 13,881.20 and 2,679.30

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Solution

The fourth proportional to 9,252.65, 13,881.20 and 2,679.30 is: 4,019.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,252.65 : 13,881.20 = 2,679.30 : x
  2. Step 2: Convert to fraction form
    9,252.65/13,881.20 = 2,679.30/x
  3. Step 3: Cross multiply
    9,252.65x = 13,881.20 × 2,679.30
  4. Step 4: Simplify right side
    9,252.65x = 37,191,899.16
  5. Step 5: Solve for x
    x = 37,191,899.16/9,252.65
  6. Step 6: Final answer
    x = 4,019.59

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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.