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Finding the Fourth Proportional to 22,000.70, 32,994.16 and 7,958.90

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Solution

The fourth proportional to 22,000.70, 32,994.16 and 7,958.90 is: 11,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,000.70 : 32,994.16 = 7,958.90 : x
  2. Step 2: Convert to fraction form
    22,000.70/32,994.16 = 7,958.90/x
  3. Step 3: Cross multiply
    22,000.70x = 32,994.16 × 7,958.90
  4. Step 4: Simplify right side
    22,000.70x = 262,597,220.02
  5. Step 5: Solve for x
    x = 262,597,220.02/22,000.70
  6. Step 6: Final answer
    x = 11,935.86

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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.