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Finding the Fourth Proportional to 8,859.01, 12,237.11 and 6,617

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Solution

The fourth proportional to 8,859.01, 12,237.11 and 6,617 is: 9,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.01 : 12,237.11 = 6,617 : x
  2. Step 2: Convert to fraction form
    8,859.01/12,237.11 = 6,617/x
  3. Step 3: Cross multiply
    8,859.01x = 12,237.11 × 6,617
  4. Step 4: Simplify right side
    8,859.01x = 80,972,956.87
  5. Step 5: Solve for x
    x = 80,972,956.87/8,859.01
  6. Step 6: Final answer
    x = 9,140.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.