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Finding the Fourth Proportional to 36,695.81, 55,042.01 and 15,625.66

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Solution

The fourth proportional to 36,695.81, 55,042.01 and 15,625.66 is: 23,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,695.81 : 55,042.01 = 15,625.66 : x
  2. Step 2: Convert to fraction form
    36,695.81/55,042.01 = 15,625.66/x
  3. Step 3: Cross multiply
    36,695.81x = 55,042.01 × 15,625.66
  4. Step 4: Simplify right side
    36,695.81x = 860,067,636.10
  5. Step 5: Solve for x
    x = 860,067,636.10/36,695.81
  6. Step 6: Final answer
    x = 23,437.76

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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.