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Finding the Fourth Proportional to 18,562.85, 27,844.32 and 4,522.88

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Solution

The fourth proportional to 18,562.85, 27,844.32 and 4,522.88 is: 6,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.85 : 27,844.32 = 4,522.88 : x
  2. Step 2: Convert to fraction form
    18,562.85/27,844.32 = 4,522.88/x
  3. Step 3: Cross multiply
    18,562.85x = 27,844.32 × 4,522.88
  4. Step 4: Simplify right side
    18,562.85x = 125,936,518.04
  5. Step 5: Solve for x
    x = 125,936,518.04/18,562.85
  6. Step 6: Final answer
    x = 6,784.33

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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.