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Finding the Fourth Proportional to 8,821.44, 12,174.04 and 5,466.04

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Solution

The fourth proportional to 8,821.44, 12,174.04 and 5,466.04 is: 7,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.44 : 12,174.04 = 5,466.04 : x
  2. Step 2: Convert to fraction form
    8,821.44/12,174.04 = 5,466.04/x
  3. Step 3: Cross multiply
    8,821.44x = 12,174.04 × 5,466.04
  4. Step 4: Simplify right side
    8,821.44x = 66,543,789.60
  5. Step 5: Solve for x
    x = 66,543,789.60/8,821.44
  6. Step 6: Final answer
    x = 7,543.42

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1.5x scale

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.