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Finding the Fourth Proportional to 3,339.72, 5,009.58 and 2,683.62

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Solution

The fourth proportional to 3,339.72, 5,009.58 and 2,683.62 is: 4,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.72 : 5,009.58 = 2,683.62 : x
  2. Step 2: Convert to fraction form
    3,339.72/5,009.58 = 2,683.62/x
  3. Step 3: Cross multiply
    3,339.72x = 5,009.58 × 2,683.62
  4. Step 4: Simplify right side
    3,339.72x = 13,443,809.08
  5. Step 5: Solve for x
    x = 13,443,809.08/3,339.72
  6. Step 6: Final answer
    x = 4,025.43

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Half 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.