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Finding the Fourth Proportional to 13,339.32, 20,008.02 and 5,843.64

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Solution

The fourth proportional to 13,339.32, 20,008.02 and 5,843.64 is: 8,765.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.32 : 20,008.02 = 5,843.64 : x
  2. Step 2: Convert to fraction form
    13,339.32/20,008.02 = 5,843.64/x
  3. Step 3: Cross multiply
    13,339.32x = 20,008.02 × 5,843.64
  4. Step 4: Simplify right side
    13,339.32x = 116,919,665.99
  5. Step 5: Solve for x
    x = 116,919,665.99/13,339.32
  6. Step 6: Final answer
    x = 8,765.04

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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.