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Finding the Fourth Proportional to 27,679.65, 41,519.63 and 6,903.15

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Solution

The fourth proportional to 27,679.65, 41,519.63 and 6,903.15 is: 10,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,679.65 : 41,519.63 = 6,903.15 : x
  2. Step 2: Convert to fraction form
    27,679.65/41,519.63 = 6,903.15/x
  3. Step 3: Cross multiply
    27,679.65x = 41,519.63 × 6,903.15
  4. Step 4: Simplify right side
    27,679.65x = 286,616,233.83
  5. Step 5: Solve for x
    x = 286,616,233.83/27,679.65
  6. Step 6: Final answer
    x = 10,354.76

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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.