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Finding the Fourth Proportional to 47,603.98, 65,691.84 and 26,385.22

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Solution

The fourth proportional to 47,603.98, 65,691.84 and 26,385.22 is: 36,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,603.98 : 65,691.84 = 26,385.22 : x
  2. Step 2: Convert to fraction form
    47,603.98/65,691.84 = 26,385.22/x
  3. Step 3: Cross multiply
    47,603.98x = 65,691.84 × 26,385.22
  4. Step 4: Simplify right side
    47,603.98x = 1,733,293,650.60
  5. Step 5: Solve for x
    x = 1,733,293,650.60/47,603.98
  6. Step 6: Final answer
    x = 36,410.69

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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.