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Finding the Fourth Proportional to 80,597.82, 120,872.42 and 33,840.30

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Solution

The fourth proportional to 80,597.82, 120,872.42 and 33,840.30 is: 50,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,597.82 : 120,872.42 = 33,840.30 : x
  2. Step 2: Convert to fraction form
    80,597.82/120,872.42 = 33,840.30/x
  3. Step 3: Cross multiply
    80,597.82x = 120,872.42 × 33,840.30
  4. Step 4: Simplify right side
    80,597.82x = 4,090,358,954.53
  5. Step 5: Solve for x
    x = 4,090,358,954.53/80,597.82
  6. Step 6: Final answer
    x = 50,750.24

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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.