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Finding the Fourth Proportional to 7,558.44, 11,282.18 and 7,001.78

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Solution

The fourth proportional to 7,558.44, 11,282.18 and 7,001.78 is: 10,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.44 : 11,282.18 = 7,001.78 : x
  2. Step 2: Convert to fraction form
    7,558.44/11,282.18 = 7,001.78/x
  3. Step 3: Cross multiply
    7,558.44x = 11,282.18 × 7,001.78
  4. Step 4: Simplify right side
    7,558.44x = 78,995,342.28
  5. Step 5: Solve for x
    x = 78,995,342.28/7,558.44
  6. Step 6: Final answer
    x = 10,451.28

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.