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Finding the Fourth Proportional to 34,193.92, 47,136 and 26,728.96

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Solution

The fourth proportional to 34,193.92, 47,136 and 26,728.96 is: 36,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,193.92 : 47,136 = 26,728.96 : x
  2. Step 2: Convert to fraction form
    34,193.92/47,136 = 26,728.96/x
  3. Step 3: Cross multiply
    34,193.92x = 47,136 × 26,728.96
  4. Step 4: Simplify right side
    34,193.92x = 1,259,896,258.56
  5. Step 5: Solve for x
    x = 1,259,896,258.56/34,193.92
  6. Step 6: Final answer
    x = 36,845.62

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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.