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Finding the Fourth Proportional to 34,674.53, 47,850.74 and 18,758.99

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Solution

The fourth proportional to 34,674.53, 47,850.74 and 18,758.99 is: 25,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,674.53 : 47,850.74 = 18,758.99 : x
  2. Step 2: Convert to fraction form
    34,674.53/47,850.74 = 18,758.99/x
  3. Step 3: Cross multiply
    34,674.53x = 47,850.74 × 18,758.99
  4. Step 4: Simplify right side
    34,674.53x = 897,631,553.15
  5. Step 5: Solve for x
    x = 897,631,553.15/34,674.53
  6. Step 6: Final answer
    x = 25,887.35

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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.