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Finding the Fourth Proportional to 64,902.92, 89,564.02 and 36,608.20

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Solution

The fourth proportional to 64,902.92, 89,564.02 and 36,608.20 is: 50,518.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,902.92 : 89,564.02 = 36,608.20 : x
  2. Step 2: Convert to fraction form
    64,902.92/89,564.02 = 36,608.20/x
  3. Step 3: Cross multiply
    64,902.92x = 89,564.02 × 36,608.20
  4. Step 4: Simplify right side
    64,902.92x = 3,278,777,556.96
  5. Step 5: Solve for x
    x = 3,278,777,556.96/64,902.92
  6. Step 6: Final answer
    x = 50,518.18

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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.