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Finding the Fourth Proportional to 34,591.91, 47,737.80 and 21,162.92

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Solution

The fourth proportional to 34,591.91, 47,737.80 and 21,162.92 is: 29,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,591.91 : 47,737.80 = 21,162.92 : x
  2. Step 2: Convert to fraction form
    34,591.91/47,737.80 = 21,162.92/x
  3. Step 3: Cross multiply
    34,591.91x = 47,737.80 × 21,162.92
  4. Step 4: Simplify right side
    34,591.91x = 1,010,271,003.69
  5. Step 5: Solve for x
    x = 1,010,271,003.69/34,591.91
  6. Step 6: Final answer
    x = 29,205.42

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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.