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Finding the Fourth Proportional to 65,334.92, 90,189.77 and 44,142.89

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Solution

The fourth proportional to 65,334.92, 90,189.77 and 44,142.89 is: 60,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,334.92 : 90,189.77 = 44,142.89 : x
  2. Step 2: Convert to fraction form
    65,334.92/90,189.77 = 44,142.89/x
  3. Step 3: Cross multiply
    65,334.92x = 90,189.77 × 44,142.89
  4. Step 4: Simplify right side
    65,334.92x = 3,981,237,096.24
  5. Step 5: Solve for x
    x = 3,981,237,096.24/65,334.92
  6. Step 6: Final answer
    x = 60,935.82

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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.