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Finding the Fourth Proportional to 8,866.98, 13,293.29 and 3,319.53

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Solution

The fourth proportional to 8,866.98, 13,293.29 and 3,319.53 is: 4,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.98 : 13,293.29 = 3,319.53 : x
  2. Step 2: Convert to fraction form
    8,866.98/13,293.29 = 3,319.53/x
  3. Step 3: Cross multiply
    8,866.98x = 13,293.29 × 3,319.53
  4. Step 4: Simplify right side
    8,866.98x = 44,127,458.36
  5. Step 5: Solve for x
    x = 44,127,458.36/8,866.98
  6. Step 6: Final answer
    x = 4,976.61

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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.