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Finding the Fourth Proportional to 27,490.78, 41,236.06 and 9,956.50

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Solution

The fourth proportional to 27,490.78, 41,236.06 and 9,956.50 is: 14,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.78 : 41,236.06 = 9,956.50 : x
  2. Step 2: Convert to fraction form
    27,490.78/41,236.06 = 9,956.50/x
  3. Step 3: Cross multiply
    27,490.78x = 41,236.06 × 9,956.50
  4. Step 4: Simplify right side
    27,490.78x = 410,566,831.39
  5. Step 5: Solve for x
    x = 410,566,831.39/27,490.78
  6. Step 6: Final answer
    x = 14,934.71

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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.