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Finding the Fourth Proportional to 33,657.40, 50,486.10 and 9,965.80

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Solution

The fourth proportional to 33,657.40, 50,486.10 and 9,965.80 is: 14,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,657.40 : 50,486.10 = 9,965.80 : x
  2. Step 2: Convert to fraction form
    33,657.40/50,486.10 = 9,965.80/x
  3. Step 3: Cross multiply
    33,657.40x = 50,486.10 × 9,965.80
  4. Step 4: Simplify right side
    33,657.40x = 503,134,375.38
  5. Step 5: Solve for x
    x = 503,134,375.38/33,657.40
  6. Step 6: Final answer
    x = 14,948.70

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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.