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Finding the Fourth Proportional to 76,398.58, 114,560.70 and 26,481.52

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Solution

The fourth proportional to 76,398.58, 114,560.70 and 26,481.52 is: 39,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,398.58 : 114,560.70 = 26,481.52 : x
  2. Step 2: Convert to fraction form
    76,398.58/114,560.70 = 26,481.52/x
  3. Step 3: Cross multiply
    76,398.58x = 114,560.70 × 26,481.52
  4. Step 4: Simplify right side
    76,398.58x = 3,033,741,468.26
  5. Step 5: Solve for x
    x = 3,033,741,468.26/76,398.58
  6. Step 6: Final answer
    x = 39,709.40

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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.