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Finding the Fourth Proportional to 21,793.30, 32,690.27 and 5,377.30

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Solution

The fourth proportional to 21,793.30, 32,690.27 and 5,377.30 is: 8,066.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793.30 : 32,690.27 = 5,377.30 : x
  2. Step 2: Convert to fraction form
    21,793.30/32,690.27 = 5,377.30/x
  3. Step 3: Cross multiply
    21,793.30x = 32,690.27 × 5,377.30
  4. Step 4: Simplify right side
    21,793.30x = 175,785,388.87
  5. Step 5: Solve for x
    x = 175,785,388.87/21,793.30
  6. Step 6: Final answer
    x = 8,066.03

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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.