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Finding the Fourth Proportional to 84,476.52, 126,685.62 and 25,296.30

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Solution

The fourth proportional to 84,476.52, 126,685.62 and 25,296.30 is: 37,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,476.52 : 126,685.62 = 25,296.30 : x
  2. Step 2: Convert to fraction form
    84,476.52/126,685.62 = 25,296.30/x
  3. Step 3: Cross multiply
    84,476.52x = 126,685.62 × 25,296.30
  4. Step 4: Simplify right side
    84,476.52x = 3,204,677,449.21
  5. Step 5: Solve for x
    x = 3,204,677,449.21/84,476.52
  6. Step 6: Final answer
    x = 37,935.72

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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.