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Finding the Fourth Proportional to 18,352.30, 27,493.08 and 10,962.68

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Solution

The fourth proportional to 18,352.30, 27,493.08 and 10,962.68 is: 16,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.30 : 27,493.08 = 10,962.68 : x
  2. Step 2: Convert to fraction form
    18,352.30/27,493.08 = 10,962.68/x
  3. Step 3: Cross multiply
    18,352.30x = 27,493.08 × 10,962.68
  4. Step 4: Simplify right side
    18,352.30x = 301,397,838.25
  5. Step 5: Solve for x
    x = 301,397,838.25/18,352.30
  6. Step 6: Final answer
    x = 16,422.89

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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.