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Finding the Fourth Proportional to 65,425.96, 90,238.98 and 44,183.08

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Solution

The fourth proportional to 65,425.96, 90,238.98 and 44,183.08 is: 60,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,425.96 : 90,238.98 = 44,183.08 : x
  2. Step 2: Convert to fraction form
    65,425.96/90,238.98 = 44,183.08/x
  3. Step 3: Cross multiply
    65,425.96x = 90,238.98 × 44,183.08
  4. Step 4: Simplify right side
    65,425.96x = 3,987,036,072.46
  5. Step 5: Solve for x
    x = 3,987,036,072.46/65,425.96
  6. Step 6: Final answer
    x = 60,939.66

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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.