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Finding the Fourth Proportional to 51,793.58, 77,692.80 and 18,529.40

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Solution

The fourth proportional to 51,793.58, 77,692.80 and 18,529.40 is: 27,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,793.58 : 77,692.80 = 18,529.40 : x
  2. Step 2: Convert to fraction form
    51,793.58/77,692.80 = 18,529.40/x
  3. Step 3: Cross multiply
    51,793.58x = 77,692.80 × 18,529.40
  4. Step 4: Simplify right side
    51,793.58x = 1,439,600,968.32
  5. Step 5: Solve for x
    x = 1,439,600,968.32/51,793.58
  6. Step 6: Final answer
    x = 27,794.97

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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.