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Finding the Fourth Proportional to 26,392.50, 39,594.42 and 7,672.86

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Solution

The fourth proportional to 26,392.50, 39,594.42 and 7,672.86 is: 11,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,392.50 : 39,594.42 = 7,672.86 : x
  2. Step 2: Convert to fraction form
    26,392.50/39,594.42 = 7,672.86/x
  3. Step 3: Cross multiply
    26,392.50x = 39,594.42 × 7,672.86
  4. Step 4: Simplify right side
    26,392.50x = 303,802,441.44
  5. Step 5: Solve for x
    x = 303,802,441.44/26,392.50
  6. Step 6: Final answer
    x = 11,510.94

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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.