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Finding the Fourth Proportional to 21,995.36, 32,993.04 and 5,355.39

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Solution

The fourth proportional to 21,995.36, 32,993.04 and 5,355.39 is: 8,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.36 : 32,993.04 = 5,355.39 : x
  2. Step 2: Convert to fraction form
    21,995.36/32,993.04 = 5,355.39/x
  3. Step 3: Cross multiply
    21,995.36x = 32,993.04 × 5,355.39
  4. Step 4: Simplify right side
    21,995.36x = 176,690,596.49
  5. Step 5: Solve for x
    x = 176,690,596.49/21,995.36
  6. Step 6: Final answer
    x = 8,033.09

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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.