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Finding the Fourth Proportional to 27,970.84, 41,956.27 and 8,247.86

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Solution

The fourth proportional to 27,970.84, 41,956.27 and 8,247.86 is: 12,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.84 : 41,956.27 = 8,247.86 : x
  2. Step 2: Convert to fraction form
    27,970.84/41,956.27 = 8,247.86/x
  3. Step 3: Cross multiply
    27,970.84x = 41,956.27 × 8,247.86
  4. Step 4: Simplify right side
    27,970.84x = 346,049,533.42
  5. Step 5: Solve for x
    x = 346,049,533.42/27,970.84
  6. Step 6: Final answer
    x = 12,371.79

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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.