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Finding the Fourth Proportional to 25,881.54, 38,789.84 and 11,073.08

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Solution

The fourth proportional to 25,881.54, 38,789.84 and 11,073.08 is: 16,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.54 : 38,789.84 = 11,073.08 : x
  2. Step 2: Convert to fraction form
    25,881.54/38,789.84 = 11,073.08/x
  3. Step 3: Cross multiply
    25,881.54x = 38,789.84 × 11,073.08
  4. Step 4: Simplify right side
    25,881.54x = 429,523,001.51
  5. Step 5: Solve for x
    x = 429,523,001.51/25,881.54
  6. Step 6: Final answer
    x = 16,595.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.