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Finding the Fourth Proportional to 3,543.42, 4,879.71 and 3,532.62

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Solution

The fourth proportional to 3,543.42, 4,879.71 and 3,532.62 is: 4,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.42 : 4,879.71 = 3,532.62 : x
  2. Step 2: Convert to fraction form
    3,543.42/4,879.71 = 3,532.62/x
  3. Step 3: Cross multiply
    3,543.42x = 4,879.71 × 3,532.62
  4. Step 4: Simplify right side
    3,543.42x = 17,238,161.14
  5. Step 5: Solve for x
    x = 17,238,161.14/3,543.42
  6. Step 6: Final answer
    x = 4,864.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.