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Finding the Fourth Proportional to 17,965.80, 24,805.04 and 16,071.62

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Solution

The fourth proportional to 17,965.80, 24,805.04 and 16,071.62 is: 22,189.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.80 : 24,805.04 = 16,071.62 : x
  2. Step 2: Convert to fraction form
    17,965.80/24,805.04 = 16,071.62/x
  3. Step 3: Cross multiply
    17,965.80x = 24,805.04 × 16,071.62
  4. Step 4: Simplify right side
    17,965.80x = 398,656,972.58
  5. Step 5: Solve for x
    x = 398,656,972.58/17,965.80
  6. Step 6: Final answer
    x = 22,189.77

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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.