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Finding the Fourth Proportional to 36,361.99, 50,138.17 and 25,603.43

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Solution

The fourth proportional to 36,361.99, 50,138.17 and 25,603.43 is: 35,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,361.99 : 50,138.17 = 25,603.43 : x
  2. Step 2: Convert to fraction form
    36,361.99/50,138.17 = 25,603.43/x
  3. Step 3: Cross multiply
    36,361.99x = 50,138.17 × 25,603.43
  4. Step 4: Simplify right side
    36,361.99x = 1,283,709,125.92
  5. Step 5: Solve for x
    x = 1,283,709,125.92/36,361.99
  6. Step 6: Final answer
    x = 35,303.60

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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.