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Finding the Fourth Proportional to 26,395.97, 39,599.72 and 8,865.34

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Solution

The fourth proportional to 26,395.97, 39,599.72 and 8,865.34 is: 13,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,395.97 : 39,599.72 = 8,865.34 : x
  2. Step 2: Convert to fraction form
    26,395.97/39,599.72 = 8,865.34/x
  3. Step 3: Cross multiply
    26,395.97x = 39,599.72 × 8,865.34
  4. Step 4: Simplify right side
    26,395.97x = 351,064,981.70
  5. Step 5: Solve for x
    x = 351,064,981.70/26,395.97
  6. Step 6: Final answer
    x = 13,299.95

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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.