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Finding the Fourth Proportional to 18,184.25, 27,276.42 and 5,872.25

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Solution

The fourth proportional to 18,184.25, 27,276.42 and 5,872.25 is: 8,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.25 : 27,276.42 = 5,872.25 : x
  2. Step 2: Convert to fraction form
    18,184.25/27,276.42 = 5,872.25/x
  3. Step 3: Cross multiply
    18,184.25x = 27,276.42 × 5,872.25
  4. Step 4: Simplify right side
    18,184.25x = 160,173,957.35
  5. Step 5: Solve for x
    x = 160,173,957.35/18,184.25
  6. Step 6: Final answer
    x = 8,808.39

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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.