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Finding the Fourth Proportional to 26,838.73, 40,258.10 and 8,370.73

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Solution

The fourth proportional to 26,838.73, 40,258.10 and 8,370.73 is: 12,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838.73 : 40,258.10 = 8,370.73 : x
  2. Step 2: Convert to fraction form
    26,838.73/40,258.10 = 8,370.73/x
  3. Step 3: Cross multiply
    26,838.73x = 40,258.10 × 8,370.73
  4. Step 4: Simplify right side
    26,838.73x = 336,989,685.41
  5. Step 5: Solve for x
    x = 336,989,685.41/26,838.73
  6. Step 6: Final answer
    x = 12,556.10

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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.