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Finding the Fourth Proportional to 3,952.66, 5,928.99 and 1,644.34

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Solution

The fourth proportional to 3,952.66, 5,928.99 and 1,644.34 is: 2,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.66 : 5,928.99 = 1,644.34 : x
  2. Step 2: Convert to fraction form
    3,952.66/5,928.99 = 1,644.34/x
  3. Step 3: Cross multiply
    3,952.66x = 5,928.99 × 1,644.34
  4. Step 4: Simplify right side
    3,952.66x = 9,749,275.42
  5. Step 5: Solve for x
    x = 9,749,275.42/3,952.66
  6. Step 6: Final answer
    x = 2,466.51

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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.