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Finding the Fourth Proportional to 9,012.71, 13,519.07 and 3,167.96

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Solution

The fourth proportional to 9,012.71, 13,519.07 and 3,167.96 is: 4,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.71 : 13,519.07 = 3,167.96 : x
  2. Step 2: Convert to fraction form
    9,012.71/13,519.07 = 3,167.96/x
  3. Step 3: Cross multiply
    9,012.71x = 13,519.07 × 3,167.96
  4. Step 4: Simplify right side
    9,012.71x = 42,827,857.16
  5. Step 5: Solve for x
    x = 42,827,857.16/9,012.71
  6. Step 6: Final answer
    x = 4,751.94

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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.