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Finding the Fourth Proportional to 63,597.80, 87,712.26 and 47,717.48

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Solution

The fourth proportional to 63,597.80, 87,712.26 and 47,717.48 is: 65,810.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,597.80 : 87,712.26 = 47,717.48 : x
  2. Step 2: Convert to fraction form
    63,597.80/87,712.26 = 47,717.48/x
  3. Step 3: Cross multiply
    63,597.80x = 87,712.26 × 47,717.48
  4. Step 4: Simplify right side
    63,597.80x = 4,185,408,012.30
  5. Step 5: Solve for x
    x = 4,185,408,012.30/63,597.80
  6. Step 6: Final answer
    x = 65,810.58

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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.