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Finding the Fourth Proportional to 72,834.72, 100,510.80 and 41,003.52

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Solution

The fourth proportional to 72,834.72, 100,510.80 and 41,003.52 is: 56,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834.72 : 100,510.80 = 41,003.52 : x
  2. Step 2: Convert to fraction form
    72,834.72/100,510.80 = 41,003.52/x
  3. Step 3: Cross multiply
    72,834.72x = 100,510.80 × 41,003.52
  4. Step 4: Simplify right side
    72,834.72x = 4,121,296,598.02
  5. Step 5: Solve for x
    x = 4,121,296,598.02/72,834.72
  6. Step 6: Final answer
    x = 56,584.23

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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.