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Finding the Fourth Proportional to 25,105.44, 34,645.68 and 13,927.44

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Solution

The fourth proportional to 25,105.44, 34,645.68 and 13,927.44 is: 19,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,105.44 : 34,645.68 = 13,927.44 : x
  2. Step 2: Convert to fraction form
    25,105.44/34,645.68 = 13,927.44/x
  3. Step 3: Cross multiply
    25,105.44x = 34,645.68 × 13,927.44
  4. Step 4: Simplify right side
    25,105.44x = 482,525,629.46
  5. Step 5: Solve for x
    x = 482,525,629.46/25,105.44
  6. Step 6: Final answer
    x = 19,219.96

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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.