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Finding the Fourth Proportional to 28,003.35, 41,984.04 and 16,907.70

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Solution

The fourth proportional to 28,003.35, 41,984.04 and 16,907.70 is: 25,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.35 : 41,984.04 = 16,907.70 : x
  2. Step 2: Convert to fraction form
    28,003.35/41,984.04 = 16,907.70/x
  3. Step 3: Cross multiply
    28,003.35x = 41,984.04 × 16,907.70
  4. Step 4: Simplify right side
    28,003.35x = 709,853,553.11
  5. Step 5: Solve for x
    x = 709,853,553.11/28,003.35
  6. Step 6: Final answer
    x = 25,348.88

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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.