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Finding the Fourth Proportional to 8,871.26, 12,242.07 and 4,892.37

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Solution

The fourth proportional to 8,871.26, 12,242.07 and 4,892.37 is: 6,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.26 : 12,242.07 = 4,892.37 : x
  2. Step 2: Convert to fraction form
    8,871.26/12,242.07 = 4,892.37/x
  3. Step 3: Cross multiply
    8,871.26x = 12,242.07 × 4,892.37
  4. Step 4: Simplify right side
    8,871.26x = 59,892,690.10
  5. Step 5: Solve for x
    x = 59,892,690.10/8,871.26
  6. Step 6: Final answer
    x = 6,751.32

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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.