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Finding the Fourth Proportional to 25,792.74, 38,694.90 and 8,263.62

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Solution

The fourth proportional to 25,792.74, 38,694.90 and 8,263.62 is: 12,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,792.74 : 38,694.90 = 8,263.62 : x
  2. Step 2: Convert to fraction form
    25,792.74/38,694.90 = 8,263.62/x
  3. Step 3: Cross multiply
    25,792.74x = 38,694.90 × 8,263.62
  4. Step 4: Simplify right side
    25,792.74x = 319,759,949.54
  5. Step 5: Solve for x
    x = 319,759,949.54/25,792.74
  6. Step 6: Final answer
    x = 12,397.29

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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.