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Finding the Fourth Proportional to 25,097.63, 34,634.75 and 13,919.63

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Solution

The fourth proportional to 25,097.63, 34,634.75 and 13,919.63 is: 19,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,097.63 : 34,634.75 = 13,919.63 : x
  2. Step 2: Convert to fraction form
    25,097.63/34,634.75 = 13,919.63/x
  3. Step 3: Cross multiply
    25,097.63x = 34,634.75 × 13,919.63
  4. Step 4: Simplify right side
    25,097.63x = 482,102,662.37
  5. Step 5: Solve for x
    x = 482,102,662.37/25,097.63
  6. Step 6: Final answer
    x = 19,209.09

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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.