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Finding the Fourth Proportional to 3,543.74, 5,311.52 and 3,133.68

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Solution

The fourth proportional to 3,543.74, 5,311.52 and 3,133.68 is: 4,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.74 : 5,311.52 = 3,133.68 : x
  2. Step 2: Convert to fraction form
    3,543.74/5,311.52 = 3,133.68/x
  3. Step 3: Cross multiply
    3,543.74x = 5,311.52 × 3,133.68
  4. Step 4: Simplify right side
    3,543.74x = 16,644,603.99
  5. Step 5: Solve for x
    x = 16,644,603.99/3,543.74
  6. Step 6: Final answer
    x = 4,696.90

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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.