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Finding the Fourth Proportional to 57,712.30, 86,510.84 and 27,671.09

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Solution

The fourth proportional to 57,712.30, 86,510.84 and 27,671.09 is: 41,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.30 : 86,510.84 = 27,671.09 : x
  2. Step 2: Convert to fraction form
    57,712.30/86,510.84 = 27,671.09/x
  3. Step 3: Cross multiply
    57,712.30x = 86,510.84 × 27,671.09
  4. Step 4: Simplify right side
    57,712.30x = 2,393,848,668.71
  5. Step 5: Solve for x
    x = 2,393,848,668.71/57,712.30
  6. Step 6: Final answer
    x = 41,479.00

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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.