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Finding the Fourth Proportional to 5,663.57, 8,493.41 and 2,152.73

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Solution

The fourth proportional to 5,663.57, 8,493.41 and 2,152.73 is: 3,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.57 : 8,493.41 = 2,152.73 : x
  2. Step 2: Convert to fraction form
    5,663.57/8,493.41 = 2,152.73/x
  3. Step 3: Cross multiply
    5,663.57x = 8,493.41 × 2,152.73
  4. Step 4: Simplify right side
    5,663.57x = 18,283,981.42
  5. Step 5: Solve for x
    x = 18,283,981.42/5,663.57
  6. Step 6: Final answer
    x = 3,228.35

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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.