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Finding the Fourth Proportional to 7,105.80, 10,658.72 and 7,095.56

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Solution

The fourth proportional to 7,105.80, 10,658.72 and 7,095.56 is: 10,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.80 : 10,658.72 = 7,095.56 : x
  2. Step 2: Convert to fraction form
    7,105.80/10,658.72 = 7,095.56/x
  3. Step 3: Cross multiply
    7,105.80x = 10,658.72 × 7,095.56
  4. Step 4: Simplify right side
    7,105.80x = 75,629,587.28
  5. Step 5: Solve for x
    x = 75,629,587.28/7,105.80
  6. Step 6: Final answer
    x = 10,643.36

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