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Finding the Fourth Proportional to 26,674.26, 39,981.02 and 8,900.75

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Solution

The fourth proportional to 26,674.26, 39,981.02 and 8,900.75 is: 13,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,674.26 : 39,981.02 = 8,900.75 : x
  2. Step 2: Convert to fraction form
    26,674.26/39,981.02 = 8,900.75/x
  3. Step 3: Cross multiply
    26,674.26x = 39,981.02 × 8,900.75
  4. Step 4: Simplify right side
    26,674.26x = 355,860,975.58
  5. Step 5: Solve for x
    x = 355,860,975.58/26,674.26
  6. Step 6: Final answer
    x = 13,340.99

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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.