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Finding the Fourth Proportional to 3,543.92, 5,315.90 and 2,444.96

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Solution

The fourth proportional to 3,543.92, 5,315.90 and 2,444.96 is: 3,667.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.92 : 5,315.90 = 2,444.96 : x
  2. Step 2: Convert to fraction form
    3,543.92/5,315.90 = 2,444.96/x
  3. Step 3: Cross multiply
    3,543.92x = 5,315.90 × 2,444.96
  4. Step 4: Simplify right side
    3,543.92x = 12,997,162.86
  5. Step 5: Solve for x
    x = 12,997,162.86/3,543.92
  6. Step 6: Final answer
    x = 3,667.45

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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.