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Finding the Fourth Proportional to 74,640.99, 102,998.34 and 44,009.22

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Solution

The fourth proportional to 74,640.99, 102,998.34 and 44,009.22 is: 60,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,640.99 : 102,998.34 = 44,009.22 : x
  2. Step 2: Convert to fraction form
    74,640.99/102,998.34 = 44,009.22/x
  3. Step 3: Cross multiply
    74,640.99x = 102,998.34 × 44,009.22
  4. Step 4: Simplify right side
    74,640.99x = 4,532,876,604.69
  5. Step 5: Solve for x
    x = 4,532,876,604.69/74,640.99
  6. Step 6: Final answer
    x = 60,729.05

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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.