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Finding the Fourth Proportional to 27,707.91, 41,561.87 and 12,927.17

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Solution

The fourth proportional to 27,707.91, 41,561.87 and 12,927.17 is: 19,390.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707.91 : 41,561.87 = 12,927.17 : x
  2. Step 2: Convert to fraction form
    27,707.91/41,561.87 = 12,927.17/x
  3. Step 3: Cross multiply
    27,707.91x = 41,561.87 × 12,927.17
  4. Step 4: Simplify right side
    27,707.91x = 537,277,086.56
  5. Step 5: Solve for x
    x = 537,277,086.56/27,707.91
  6. Step 6: Final answer
    x = 19,390.75

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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.