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Finding the Fourth Proportional to 34,706.87, 47,895.26 and 18,791.27

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Solution

The fourth proportional to 34,706.87, 47,895.26 and 18,791.27 is: 25,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,706.87 : 47,895.26 = 18,791.27 : x
  2. Step 2: Convert to fraction form
    34,706.87/47,895.26 = 18,791.27/x
  3. Step 3: Cross multiply
    34,706.87x = 47,895.26 × 18,791.27
  4. Step 4: Simplify right side
    34,706.87x = 900,012,428.95
  5. Step 5: Solve for x
    x = 900,012,428.95/34,706.87
  6. Step 6: Final answer
    x = 25,931.83

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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.