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Finding the Fourth Proportional to 8,013.44, 12,020.16 and 5,962.88

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Solution

The fourth proportional to 8,013.44, 12,020.16 and 5,962.88 is: 8,944.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.44 : 12,020.16 = 5,962.88 : x
  2. Step 2: Convert to fraction form
    8,013.44/12,020.16 = 5,962.88/x
  3. Step 3: Cross multiply
    8,013.44x = 12,020.16 × 5,962.88
  4. Step 4: Simplify right side
    8,013.44x = 71,674,771.66
  5. Step 5: Solve for x
    x = 71,674,771.66/8,013.44
  6. Step 6: Final answer
    x = 8,944.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.