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Finding the Fourth Proportional to 34,673.99, 47,850.21 and 18,758.57

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Solution

The fourth proportional to 34,673.99, 47,850.21 and 18,758.57 is: 25,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,673.99 : 47,850.21 = 18,758.57 : x
  2. Step 2: Convert to fraction form
    34,673.99/47,850.21 = 18,758.57/x
  3. Step 3: Cross multiply
    34,673.99x = 47,850.21 × 18,758.57
  4. Step 4: Simplify right side
    34,673.99x = 897,601,274.55
  5. Step 5: Solve for x
    x = 897,601,274.55/34,673.99
  6. Step 6: Final answer
    x = 25,886.88

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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.