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Finding the Fourth Proportional to 18,348.66, 27,519.75 and 8,351.10

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Solution

The fourth proportional to 18,348.66, 27,519.75 and 8,351.10 is: 12,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.66 : 27,519.75 = 8,351.10 : x
  2. Step 2: Convert to fraction form
    18,348.66/27,519.75 = 8,351.10/x
  3. Step 3: Cross multiply
    18,348.66x = 27,519.75 × 8,351.10
  4. Step 4: Simplify right side
    18,348.66x = 229,820,184.23
  5. Step 5: Solve for x
    x = 229,820,184.23/18,348.66
  6. Step 6: Final answer
    x = 12,525.18

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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.