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Finding the Fourth Proportional to 34,222.86, 47,227.62 and 19,318.86

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Solution

The fourth proportional to 34,222.86, 47,227.62 and 19,318.86 is: 26,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,222.86 : 47,227.62 = 19,318.86 : x
  2. Step 2: Convert to fraction form
    34,222.86/47,227.62 = 19,318.86/x
  3. Step 3: Cross multiply
    34,222.86x = 47,227.62 × 19,318.86
  4. Step 4: Simplify right side
    34,222.86x = 912,383,778.91
  5. Step 5: Solve for x
    x = 912,383,778.91/34,222.86
  6. Step 6: Final answer
    x = 26,660.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.