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Finding the Fourth Proportional to 55,793.40, 83,754.90 and 33,631.80

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Solution

The fourth proportional to 55,793.40, 83,754.90 and 33,631.80 is: 50,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,793.40 : 83,754.90 = 33,631.80 : x
  2. Step 2: Convert to fraction form
    55,793.40/83,754.90 = 33,631.80/x
  3. Step 3: Cross multiply
    55,793.40x = 83,754.90 × 33,631.80
  4. Step 4: Simplify right side
    55,793.40x = 2,816,828,045.82
  5. Step 5: Solve for x
    x = 2,816,828,045.82/55,793.40
  6. Step 6: Final answer
    x = 50,486.76

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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.