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Finding the Fourth Proportional to 3,550.62, 5,325.93 and 953.82

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Solution

The fourth proportional to 3,550.62, 5,325.93 and 953.82 is: 1,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.62 : 5,325.93 = 953.82 : x
  2. Step 2: Convert to fraction form
    3,550.62/5,325.93 = 953.82/x
  3. Step 3: Cross multiply
    3,550.62x = 5,325.93 × 953.82
  4. Step 4: Simplify right side
    3,550.62x = 5,079,978.55
  5. Step 5: Solve for x
    x = 5,079,978.55/3,550.62
  6. Step 6: Final answer
    x = 1,430.73

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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.