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Finding the Fourth Proportional to 33,103.68, 49,657.03 and 10,918.99

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Solution

The fourth proportional to 33,103.68, 49,657.03 and 10,918.99 is: 16,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,103.68 : 49,657.03 = 10,918.99 : x
  2. Step 2: Convert to fraction form
    33,103.68/49,657.03 = 10,918.99/x
  3. Step 3: Cross multiply
    33,103.68x = 49,657.03 × 10,918.99
  4. Step 4: Simplify right side
    33,103.68x = 542,204,614.00
  5. Step 5: Solve for x
    x = 542,204,614.00/33,103.68
  6. Step 6: Final answer
    x = 16,378.98

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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.