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Finding the Fourth Proportional to 18,062.60, 27,095.11 and 6,969.38

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Solution

The fourth proportional to 18,062.60, 27,095.11 and 6,969.38 is: 10,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.60 : 27,095.11 = 6,969.38 : x
  2. Step 2: Convert to fraction form
    18,062.60/27,095.11 = 6,969.38/x
  3. Step 3: Cross multiply
    18,062.60x = 27,095.11 × 6,969.38
  4. Step 4: Simplify right side
    18,062.60x = 188,835,964.83
  5. Step 5: Solve for x
    x = 188,835,964.83/18,062.60
  6. Step 6: Final answer
    x = 10,454.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.