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Finding the Fourth Proportional to 13,034.68, 17,987.94 and 7,066.44

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Solution

The fourth proportional to 13,034.68, 17,987.94 and 7,066.44 is: 9,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.68 : 17,987.94 = 7,066.44 : x
  2. Step 2: Convert to fraction form
    13,034.68/17,987.94 = 7,066.44/x
  3. Step 3: Cross multiply
    13,034.68x = 17,987.94 × 7,066.44
  4. Step 4: Simplify right side
    13,034.68x = 127,110,698.73
  5. Step 5: Solve for x
    x = 127,110,698.73/13,034.68
  6. Step 6: Final answer
    x = 9,751.73

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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.