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Finding the Fourth Proportional to 13,066.08, 18,031.32 and 7,097.82

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Solution

The fourth proportional to 13,066.08, 18,031.32 and 7,097.82 is: 9,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.08 : 18,031.32 = 7,097.82 : x
  2. Step 2: Convert to fraction form
    13,066.08/18,031.32 = 7,097.82/x
  3. Step 3: Cross multiply
    13,066.08x = 18,031.32 × 7,097.82
  4. Step 4: Simplify right side
    13,066.08x = 127,983,063.72
  5. Step 5: Solve for x
    x = 127,983,063.72/13,066.08
  6. Step 6: Final answer
    x = 9,795.06

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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.