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Finding the Fourth Proportional to 34,857.91, 48,101.94 and 18,942.24

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Solution

The fourth proportional to 34,857.91, 48,101.94 and 18,942.24 is: 26,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857.91 : 48,101.94 = 18,942.24 : x
  2. Step 2: Convert to fraction form
    34,857.91/48,101.94 = 18,942.24/x
  3. Step 3: Cross multiply
    34,857.91x = 48,101.94 × 18,942.24
  4. Step 4: Simplify right side
    34,857.91x = 911,158,491.95
  5. Step 5: Solve for x
    x = 911,158,491.95/34,857.91
  6. Step 6: Final answer
    x = 26,139.22

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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.