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Finding the Fourth Proportional to 5,695.98, 8,544.16 and 2,000.78

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Solution

The fourth proportional to 5,695.98, 8,544.16 and 2,000.78 is: 3,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.98 : 8,544.16 = 2,000.78 : x
  2. Step 2: Convert to fraction form
    5,695.98/8,544.16 = 2,000.78/x
  3. Step 3: Cross multiply
    5,695.98x = 8,544.16 × 2,000.78
  4. Step 4: Simplify right side
    5,695.98x = 17,094,984.44
  5. Step 5: Solve for x
    x = 17,094,984.44/5,695.98
  6. Step 6: Final answer
    x = 3,001.24

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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.