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Finding the Fourth Proportional to 8,933.70, 13,400.55 and 2,360.55

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Solution

The fourth proportional to 8,933.70, 13,400.55 and 2,360.55 is: 3,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.70 : 13,400.55 = 2,360.55 : x
  2. Step 2: Convert to fraction form
    8,933.70/13,400.55 = 2,360.55/x
  3. Step 3: Cross multiply
    8,933.70x = 13,400.55 × 2,360.55
  4. Step 4: Simplify right side
    8,933.70x = 31,632,668.30
  5. Step 5: Solve for x
    x = 31,632,668.30/8,933.70
  6. Step 6: Final answer
    x = 3,540.83

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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.