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Finding the Fourth Proportional to 86,694.52, 130,046.28 and 27,534.82

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Solution

The fourth proportional to 86,694.52, 130,046.28 and 27,534.82 is: 41,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,694.52 : 130,046.28 = 27,534.82 : x
  2. Step 2: Convert to fraction form
    86,694.52/130,046.28 = 27,534.82/x
  3. Step 3: Cross multiply
    86,694.52x = 130,046.28 × 27,534.82
  4. Step 4: Simplify right side
    86,694.52x = 3,580,800,911.47
  5. Step 5: Solve for x
    x = 3,580,800,911.47/86,694.52
  6. Step 6: Final answer
    x = 41,303.66

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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.