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Finding the Fourth Proportional to 34,803.78, 48,028.50 and 19,696.17

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Solution

The fourth proportional to 34,803.78, 48,028.50 and 19,696.17 is: 27,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,803.78 : 48,028.50 = 19,696.17 : x
  2. Step 2: Convert to fraction form
    34,803.78/48,028.50 = 19,696.17/x
  3. Step 3: Cross multiply
    34,803.78x = 48,028.50 × 19,696.17
  4. Step 4: Simplify right side
    34,803.78x = 945,977,500.85
  5. Step 5: Solve for x
    x = 945,977,500.85/34,803.78
  6. Step 6: Final answer
    x = 27,180.31

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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.