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Finding the Fourth Proportional to 26,396.50, 36,427.77 and 15,065.77

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Solution

The fourth proportional to 26,396.50, 36,427.77 and 15,065.77 is: 20,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,396.50 : 36,427.77 = 15,065.77 : x
  2. Step 2: Convert to fraction form
    26,396.50/36,427.77 = 15,065.77/x
  3. Step 3: Cross multiply
    26,396.50x = 36,427.77 × 15,065.77
  4. Step 4: Simplify right side
    26,396.50x = 548,812,404.43
  5. Step 5: Solve for x
    x = 548,812,404.43/26,396.50
  6. Step 6: Final answer
    x = 20,791.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.