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Finding the Fourth Proportional to 12,668.52, 17,483.13 and 7,079.52

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Solution

The fourth proportional to 12,668.52, 17,483.13 and 7,079.52 is: 9,770.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.52 : 17,483.13 = 7,079.52 : x
  2. Step 2: Convert to fraction form
    12,668.52/17,483.13 = 7,079.52/x
  3. Step 3: Cross multiply
    12,668.52x = 17,483.13 × 7,079.52
  4. Step 4: Simplify right side
    12,668.52x = 123,772,168.50
  5. Step 5: Solve for x
    x = 123,772,168.50/12,668.52
  6. Step 6: Final answer
    x = 9,770.06

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