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Finding the Fourth Proportional to 8,001.18, 11,043 and 5,770.44

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Solution

The fourth proportional to 8,001.18, 11,043 and 5,770.44 is: 7,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.18 : 11,043 = 5,770.44 : x
  2. Step 2: Convert to fraction form
    8,001.18/11,043 = 5,770.44/x
  3. Step 3: Cross multiply
    8,001.18x = 11,043 × 5,770.44
  4. Step 4: Simplify right side
    8,001.18x = 63,722,968.92
  5. Step 5: Solve for x
    x = 63,722,968.92/8,001.18
  6. Step 6: Final answer
    x = 7,964.20

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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.