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Finding the Fourth Proportional to 45,855.55, 68,780.49 and 16,269.49

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Solution

The fourth proportional to 45,855.55, 68,780.49 and 16,269.49 is: 24,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,855.55 : 68,780.49 = 16,269.49 : x
  2. Step 2: Convert to fraction form
    45,855.55/68,780.49 = 16,269.49/x
  3. Step 3: Cross multiply
    45,855.55x = 68,780.49 × 16,269.49
  4. Step 4: Simplify right side
    45,855.55x = 1,119,023,494.25
  5. Step 5: Solve for x
    x = 1,119,023,494.25/45,855.55
  6. Step 6: Final answer
    x = 24,403.23

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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.