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Finding the Fourth Proportional to 18,321.75, 27,482.90 and 5,841.77

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Solution

The fourth proportional to 18,321.75, 27,482.90 and 5,841.77 is: 8,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.75 : 27,482.90 = 5,841.77 : x
  2. Step 2: Convert to fraction form
    18,321.75/27,482.90 = 5,841.77/x
  3. Step 3: Cross multiply
    18,321.75x = 27,482.90 × 5,841.77
  4. Step 4: Simplify right side
    18,321.75x = 160,548,614.11
  5. Step 5: Solve for x
    x = 160,548,614.11/18,321.75
  6. Step 6: Final answer
    x = 8,762.73

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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.