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Finding the Fourth Proportional to 47,959.84, 66,186.48 and 26,742.88

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Solution

The fourth proportional to 47,959.84, 66,186.48 and 26,742.88 is: 36,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,959.84 : 66,186.48 = 26,742.88 : x
  2. Step 2: Convert to fraction form
    47,959.84/66,186.48 = 26,742.88/x
  3. Step 3: Cross multiply
    47,959.84x = 66,186.48 × 26,742.88
  4. Step 4: Simplify right side
    47,959.84x = 1,770,017,092.26
  5. Step 5: Solve for x
    x = 1,770,017,092.26/47,959.84
  6. Step 6: Final answer
    x = 36,906.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.