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Finding the Fourth Proportional to 36,553.80, 54,830.70 and 16,870.80

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Solution

The fourth proportional to 36,553.80, 54,830.70 and 16,870.80 is: 25,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,553.80 : 54,830.70 = 16,870.80 : x
  2. Step 2: Convert to fraction form
    36,553.80/54,830.70 = 16,870.80/x
  3. Step 3: Cross multiply
    36,553.80x = 54,830.70 × 16,870.80
  4. Step 4: Simplify right side
    36,553.80x = 925,037,773.56
  5. Step 5: Solve for x
    x = 925,037,773.56/36,553.80
  6. Step 6: Final answer
    x = 25,306.20

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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.