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Finding the Fourth Proportional to 72,739.50, 100,381.94 and 44,060.24

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Solution

The fourth proportional to 72,739.50, 100,381.94 and 44,060.24 is: 60,803.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,739.50 : 100,381.94 = 44,060.24 : x
  2. Step 2: Convert to fraction form
    72,739.50/100,381.94 = 44,060.24/x
  3. Step 3: Cross multiply
    72,739.50x = 100,381.94 × 44,060.24
  4. Step 4: Simplify right side
    72,739.50x = 4,422,851,645.85
  5. Step 5: Solve for x
    x = 4,422,851,645.85/72,739.50
  6. Step 6: Final answer
    x = 60,803.99

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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.