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Finding the Fourth Proportional to 3,651.62, 5,472.80 and 2,334.86

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Solution

The fourth proportional to 3,651.62, 5,472.80 and 2,334.86 is: 3,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.62 : 5,472.80 = 2,334.86 : x
  2. Step 2: Convert to fraction form
    3,651.62/5,472.80 = 2,334.86/x
  3. Step 3: Cross multiply
    3,651.62x = 5,472.80 × 2,334.86
  4. Step 4: Simplify right side
    3,651.62x = 12,778,182.77
  5. Step 5: Solve for x
    x = 12,778,182.77/3,651.62
  6. Step 6: Final answer
    x = 3,499.32

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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.