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Finding the Fourth Proportional to 2,483.32, 3,724.14 and 839.44

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Solution

The fourth proportional to 2,483.32, 3,724.14 and 839.44 is: 1,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.32 : 3,724.14 = 839.44 : x
  2. Step 2: Convert to fraction form
    2,483.32/3,724.14 = 839.44/x
  3. Step 3: Cross multiply
    2,483.32x = 3,724.14 × 839.44
  4. Step 4: Simplify right side
    2,483.32x = 3,126,192.08
  5. Step 5: Solve for x
    x = 3,126,192.08/2,483.32
  6. Step 6: Final answer
    x = 1,258.88

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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.