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Finding the Fourth Proportional to 8,866.04, 13,270.98 and 4,958.60

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Solution

The fourth proportional to 8,866.04, 13,270.98 and 4,958.60 is: 7,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.04 : 13,270.98 = 4,958.60 : x
  2. Step 2: Convert to fraction form
    8,866.04/13,270.98 = 4,958.60/x
  3. Step 3: Cross multiply
    8,866.04x = 13,270.98 × 4,958.60
  4. Step 4: Simplify right side
    8,866.04x = 65,805,481.43
  5. Step 5: Solve for x
    x = 65,805,481.43/8,866.04
  6. Step 6: Final answer
    x = 7,422.20

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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.