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Finding the Fourth Proportional to 5,543.97, 8,315.96 and 3,698.69

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Solution

The fourth proportional to 5,543.97, 8,315.96 and 3,698.69 is: 5,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.97 : 8,315.96 = 3,698.69 : x
  2. Step 2: Convert to fraction form
    5,543.97/8,315.96 = 3,698.69/x
  3. Step 3: Cross multiply
    5,543.97x = 8,315.96 × 3,698.69
  4. Step 4: Simplify right side
    5,543.97x = 30,758,158.09
  5. Step 5: Solve for x
    x = 30,758,158.09/5,543.97
  6. Step 6: Final answer
    x = 5,548.04

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