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Finding the Fourth Proportional to 5,744.76, 7,928.13 and 3,226.74

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Solution

The fourth proportional to 5,744.76, 7,928.13 and 3,226.74 is: 4,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,744.76 : 7,928.13 = 3,226.74 : x
  2. Step 2: Convert to fraction form
    5,744.76/7,928.13 = 3,226.74/x
  3. Step 3: Cross multiply
    5,744.76x = 7,928.13 × 3,226.74
  4. Step 4: Simplify right side
    5,744.76x = 25,582,014.20
  5. Step 5: Solve for x
    x = 25,582,014.20/5,744.76
  6. Step 6: Final answer
    x = 4,453.10

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.