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Finding the Fourth Proportional to 28,995.73, 43,494.50 and 13,794.98

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Solution

The fourth proportional to 28,995.73, 43,494.50 and 13,794.98 is: 20,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.73 : 43,494.50 = 13,794.98 : x
  2. Step 2: Convert to fraction form
    28,995.73/43,494.50 = 13,794.98/x
  3. Step 3: Cross multiply
    28,995.73x = 43,494.50 × 13,794.98
  4. Step 4: Simplify right side
    28,995.73x = 600,005,574.62
  5. Step 5: Solve for x
    x = 600,005,574.62/28,995.73
  6. Step 6: Final answer
    x = 20,692.90

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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.