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Finding the Fourth Proportional to 64,291.25, 88,721.82 and 35,996.94

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Solution

The fourth proportional to 64,291.25, 88,721.82 and 35,996.94 is: 49,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,291.25 : 88,721.82 = 35,996.94 : x
  2. Step 2: Convert to fraction form
    64,291.25/88,721.82 = 35,996.94/x
  3. Step 3: Cross multiply
    64,291.25x = 88,721.82 × 35,996.94
  4. Step 4: Simplify right side
    64,291.25x = 3,193,714,031.23
  5. Step 5: Solve for x
    x = 3,193,714,031.23/64,291.25
  6. Step 6: Final answer
    x = 49,675.72

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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.