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Finding the Fourth Proportional to 25,357.88, 34,995.49 and 14,179.88

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Solution

The fourth proportional to 25,357.88, 34,995.49 and 14,179.88 is: 19,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,357.88 : 34,995.49 = 14,179.88 : x
  2. Step 2: Convert to fraction form
    25,357.88/34,995.49 = 14,179.88/x
  3. Step 3: Cross multiply
    25,357.88x = 34,995.49 × 14,179.88
  4. Step 4: Simplify right side
    25,357.88x = 496,231,638.31
  5. Step 5: Solve for x
    x = 496,231,638.31/25,357.88
  6. Step 6: Final answer
    x = 19,569.13

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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.