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Finding the Fourth Proportional to 62,126.42, 85,742.92 and 36,639.97

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Solution

The fourth proportional to 62,126.42, 85,742.92 and 36,639.97 is: 50,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,126.42 : 85,742.92 = 36,639.97 : x
  2. Step 2: Convert to fraction form
    62,126.42/85,742.92 = 36,639.97/x
  3. Step 3: Cross multiply
    62,126.42x = 85,742.92 × 36,639.97
  4. Step 4: Simplify right side
    62,126.42x = 3,141,617,847.96
  5. Step 5: Solve for x
    x = 3,141,617,847.96/62,126.42
  6. Step 6: Final answer
    x = 50,568.15

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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.