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Finding the Fourth Proportional to 36,482.60, 54,737.57 and 12,791.93

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Solution

The fourth proportional to 36,482.60, 54,737.57 and 12,791.93 is: 19,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,482.60 : 54,737.57 = 12,791.93 : x
  2. Step 2: Convert to fraction form
    36,482.60/54,737.57 = 12,791.93/x
  3. Step 3: Cross multiply
    36,482.60x = 54,737.57 × 12,791.93
  4. Step 4: Simplify right side
    36,482.60x = 700,198,922.10
  5. Step 5: Solve for x
    x = 700,198,922.10/36,482.60
  6. Step 6: Final answer
    x = 19,192.68

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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.