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Finding the Fourth Proportional to 63,640.86, 87,863.85 and 41,018.82

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Solution

The fourth proportional to 63,640.86, 87,863.85 and 41,018.82 is: 56,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,640.86 : 87,863.85 = 41,018.82 : x
  2. Step 2: Convert to fraction form
    63,640.86/87,863.85 = 41,018.82/x
  3. Step 3: Cross multiply
    63,640.86x = 87,863.85 × 41,018.82
  4. Step 4: Simplify right side
    63,640.86x = 3,604,071,447.66
  5. Step 5: Solve for x
    x = 3,604,071,447.66/63,640.86
  6. Step 6: Final answer
    x = 56,631.41

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1.5x scale

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.