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Finding the Fourth Proportional to 62,512.84, 86,270.10 and 35,659.72

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Solution

The fourth proportional to 62,512.84, 86,270.10 and 35,659.72 is: 49,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,512.84 : 86,270.10 = 35,659.72 : x
  2. Step 2: Convert to fraction form
    62,512.84/86,270.10 = 35,659.72/x
  3. Step 3: Cross multiply
    62,512.84x = 86,270.10 × 35,659.72
  4. Step 4: Simplify right side
    62,512.84x = 3,076,367,610.37
  5. Step 5: Solve for x
    x = 3,076,367,610.37/62,512.84
  6. Step 6: Final answer
    x = 49,211.77

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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.