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Finding the Fourth Proportional to 8,667.07, 13,001.97 and 2,822.32

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Solution

The fourth proportional to 8,667.07, 13,001.97 and 2,822.32 is: 4,233.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.07 : 13,001.97 = 2,822.32 : x
  2. Step 2: Convert to fraction form
    8,667.07/13,001.97 = 2,822.32/x
  3. Step 3: Cross multiply
    8,667.07x = 13,001.97 × 2,822.32
  4. Step 4: Simplify right side
    8,667.07x = 36,695,719.97
  5. Step 5: Solve for x
    x = 36,695,719.97/8,667.07
  6. Step 6: Final answer
    x = 4,233.92

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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.