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Finding the Fourth Proportional to 27,856.58, 41,789.01 and 10,088.58

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Solution

The fourth proportional to 27,856.58, 41,789.01 and 10,088.58 is: 15,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,856.58 : 41,789.01 = 10,088.58 : x
  2. Step 2: Convert to fraction form
    27,856.58/41,789.01 = 10,088.58/x
  3. Step 3: Cross multiply
    27,856.58x = 41,789.01 × 10,088.58
  4. Step 4: Simplify right side
    27,856.58x = 421,591,612.45
  5. Step 5: Solve for x
    x = 421,591,612.45/27,856.58
  6. Step 6: Final answer
    x = 15,134.36

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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.