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Finding the Fourth Proportional to 22,844.40, 34,268.04 and 8,991.60

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Solution

The fourth proportional to 22,844.40, 34,268.04 and 8,991.60 is: 13,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,844.40 : 34,268.04 = 8,991.60 : x
  2. Step 2: Convert to fraction form
    22,844.40/34,268.04 = 8,991.60/x
  3. Step 3: Cross multiply
    22,844.40x = 34,268.04 × 8,991.60
  4. Step 4: Simplify right side
    22,844.40x = 308,124,508.46
  5. Step 5: Solve for x
    x = 308,124,508.46/22,844.40
  6. Step 6: Final answer
    x = 13,487.97

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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.