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Finding the Fourth Proportional to 84,951.82, 127,476.87 and 35,022.61

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Solution

The fourth proportional to 84,951.82, 127,476.87 and 35,022.61 is: 52,554.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,951.82 : 127,476.87 = 35,022.61 : x
  2. Step 2: Convert to fraction form
    84,951.82/127,476.87 = 35,022.61/x
  3. Step 3: Cross multiply
    84,951.82x = 127,476.87 × 35,022.61
  4. Step 4: Simplify right side
    84,951.82x = 4,464,572,702.03
  5. Step 5: Solve for x
    x = 4,464,572,702.03/84,951.82
  6. Step 6: Final answer
    x = 52,554.17

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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.