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Finding the Fourth Proportional to 65,234.44, 90,023.94 and 35,426.44

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Solution

The fourth proportional to 65,234.44, 90,023.94 and 35,426.44 is: 48,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,234.44 : 90,023.94 = 35,426.44 : x
  2. Step 2: Convert to fraction form
    65,234.44/90,023.94 = 35,426.44/x
  3. Step 3: Cross multiply
    65,234.44x = 90,023.94 × 35,426.44
  4. Step 4: Simplify right side
    65,234.44x = 3,189,227,708.97
  5. Step 5: Solve for x
    x = 3,189,227,708.97/65,234.44
  6. Step 6: Final answer
    x = 48,888.71

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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.