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Finding the Fourth Proportional to 13,068.52, 18,034.17 and 7,100.03

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Solution

The fourth proportional to 13,068.52, 18,034.17 and 7,100.03 is: 9,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.52 : 18,034.17 = 7,100.03 : x
  2. Step 2: Convert to fraction form
    13,068.52/18,034.17 = 7,100.03/x
  3. Step 3: Cross multiply
    13,068.52x = 18,034.17 × 7,100.03
  4. Step 4: Simplify right side
    13,068.52x = 128,043,148.03
  5. Step 5: Solve for x
    x = 128,043,148.03/13,068.52
  6. Step 6: Final answer
    x = 9,797.83

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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.