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Finding the Fourth Proportional to 72,832.79, 100,511.13 and 41,002.83

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Solution

The fourth proportional to 72,832.79, 100,511.13 and 41,002.83 is: 56,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,832.79 : 100,511.13 = 41,002.83 : x
  2. Step 2: Convert to fraction form
    72,832.79/100,511.13 = 41,002.83/x
  3. Step 3: Cross multiply
    72,832.79x = 100,511.13 × 41,002.83
  4. Step 4: Simplify right side
    72,832.79x = 4,121,240,776.50
  5. Step 5: Solve for x
    x = 4,121,240,776.50/72,832.79
  6. Step 6: Final answer
    x = 56,584.97

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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.