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Finding the Fourth Proportional to 18,321.56, 27,482.04 and 5,841.42

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Solution

The fourth proportional to 18,321.56, 27,482.04 and 5,841.42 is: 8,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.56 : 27,482.04 = 5,841.42 : x
  2. Step 2: Convert to fraction form
    18,321.56/27,482.04 = 5,841.42/x
  3. Step 3: Cross multiply
    18,321.56x = 27,482.04 × 5,841.42
  4. Step 4: Simplify right side
    18,321.56x = 160,534,138.10
  5. Step 5: Solve for x
    x = 160,534,138.10/18,321.56
  6. Step 6: Final answer
    x = 8,762.03

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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.