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Finding the Fourth Proportional to 22,639.60, 33,972.63 and 9,490.96

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Solution

The fourth proportional to 22,639.60, 33,972.63 and 9,490.96 is: 14,241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,639.60 : 33,972.63 = 9,490.96 : x
  2. Step 2: Convert to fraction form
    22,639.60/33,972.63 = 9,490.96/x
  3. Step 3: Cross multiply
    22,639.60x = 33,972.63 × 9,490.96
  4. Step 4: Simplify right side
    22,639.60x = 322,432,872.42
  5. Step 5: Solve for x
    x = 322,432,872.42/22,639.60
  6. Step 6: Final answer
    x = 14,241.99

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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.