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Finding the Fourth Proportional to 18,554.65, 27,834.89 and 6,071.74

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Solution

The fourth proportional to 18,554.65, 27,834.89 and 6,071.74 is: 9,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.65 : 27,834.89 = 6,071.74 : x
  2. Step 2: Convert to fraction form
    18,554.65/27,834.89 = 6,071.74/x
  3. Step 3: Cross multiply
    18,554.65x = 27,834.89 × 6,071.74
  4. Step 4: Simplify right side
    18,554.65x = 169,006,215.01
  5. Step 5: Solve for x
    x = 169,006,215.01/18,554.65
  6. Step 6: Final answer
    x = 9,108.56

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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.