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Finding the Fourth Proportional to 29,164.70, 40,257.02 and 19,601.40

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Solution

The fourth proportional to 29,164.70, 40,257.02 and 19,601.40 is: 27,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,164.70 : 40,257.02 = 19,601.40 : x
  2. Step 2: Convert to fraction form
    29,164.70/40,257.02 = 19,601.40/x
  3. Step 3: Cross multiply
    29,164.70x = 40,257.02 × 19,601.40
  4. Step 4: Simplify right side
    29,164.70x = 789,093,951.83
  5. Step 5: Solve for x
    x = 789,093,951.83/29,164.70
  6. Step 6: Final answer
    x = 27,056.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.