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Finding the Fourth Proportional to 8,152.68, 12,223.34 and 3,933.38

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Solution

The fourth proportional to 8,152.68, 12,223.34 and 3,933.38 is: 5,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.68 : 12,223.34 = 3,933.38 : x
  2. Step 2: Convert to fraction form
    8,152.68/12,223.34 = 3,933.38/x
  3. Step 3: Cross multiply
    8,152.68x = 12,223.34 × 3,933.38
  4. Step 4: Simplify right side
    8,152.68x = 48,079,041.09
  5. Step 5: Solve for x
    x = 48,079,041.09/8,152.68
  6. Step 6: Final answer
    x = 5,897.33

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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.