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Finding the Fourth Proportional to 7,335.96, 11,001.72 and 2,655.42

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Solution

The fourth proportional to 7,335.96, 11,001.72 and 2,655.42 is: 3,982.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.96 : 11,001.72 = 2,655.42 : x
  2. Step 2: Convert to fraction form
    7,335.96/11,001.72 = 2,655.42/x
  3. Step 3: Cross multiply
    7,335.96x = 11,001.72 × 2,655.42
  4. Step 4: Simplify right side
    7,335.96x = 29,214,187.32
  5. Step 5: Solve for x
    x = 29,214,187.32/7,335.96
  6. Step 6: Final answer
    x = 3,982.33

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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.