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Finding the Fourth Proportional to 23,331, 32,198.06 and 13,395.64

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Solution

The fourth proportional to 23,331, 32,198.06 and 13,395.64 is: 18,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,331 : 32,198.06 = 13,395.64 : x
  2. Step 2: Convert to fraction form
    23,331/32,198.06 = 13,395.64/x
  3. Step 3: Cross multiply
    23,331x = 32,198.06 × 13,395.64
  4. Step 4: Simplify right side
    23,331x = 431,313,620.46
  5. Step 5: Solve for x
    x = 431,313,620.46/23,331
  6. Step 6: Final answer
    x = 18,486.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.