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Finding the Fourth Proportional to 57,283.40, 85,946.70 and 27,727.40

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Solution

The fourth proportional to 57,283.40, 85,946.70 and 27,727.40 is: 41,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,283.40 : 85,946.70 = 27,727.40 : x
  2. Step 2: Convert to fraction form
    57,283.40/85,946.70 = 27,727.40/x
  3. Step 3: Cross multiply
    57,283.40x = 85,946.70 × 27,727.40
  4. Step 4: Simplify right side
    57,283.40x = 2,383,078,529.58
  5. Step 5: Solve for x
    x = 2,383,078,529.58/57,283.40
  6. Step 6: Final answer
    x = 41,601.56

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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.