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Finding the Fourth Proportional to 86,694.65, 130,046.48 and 27,534.95

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Solution

The fourth proportional to 86,694.65, 130,046.48 and 27,534.95 is: 41,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,694.65 : 130,046.48 = 27,534.95 : x
  2. Step 2: Convert to fraction form
    86,694.65/130,046.48 = 27,534.95/x
  3. Step 3: Cross multiply
    86,694.65x = 130,046.48 × 27,534.95
  4. Step 4: Simplify right side
    86,694.65x = 3,580,822,536.57
  5. Step 5: Solve for x
    x = 3,580,822,536.57/86,694.65
  6. Step 6: Final answer
    x = 41,303.85

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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.