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Finding the Fourth Proportional to 18,585.46, 27,870.92 and 6,736.42

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Solution

The fourth proportional to 18,585.46, 27,870.92 and 6,736.42 is: 10,101.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.46 : 27,870.92 = 6,736.42 : x
  2. Step 2: Convert to fraction form
    18,585.46/27,870.92 = 6,736.42/x
  3. Step 3: Cross multiply
    18,585.46x = 27,870.92 × 6,736.42
  4. Step 4: Simplify right side
    18,585.46x = 187,750,222.91
  5. Step 5: Solve for x
    x = 187,750,222.91/18,585.46
  6. Step 6: Final answer
    x = 10,101.99

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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.