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Finding the Fourth Proportional to 13,065.62, 18,030.72 and 7,097.39

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Solution

The fourth proportional to 13,065.62, 18,030.72 and 7,097.39 is: 9,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.62 : 18,030.72 = 7,097.39 : x
  2. Step 2: Convert to fraction form
    13,065.62/18,030.72 = 7,097.39/x
  3. Step 3: Cross multiply
    13,065.62x = 18,030.72 × 7,097.39
  4. Step 4: Simplify right side
    13,065.62x = 127,970,961.67
  5. Step 5: Solve for x
    x = 127,970,961.67/13,065.62
  6. Step 6: Final answer
    x = 9,794.48

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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.