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Finding the Fourth Proportional to 39,682.79, 54,764.71 and 26,230.71

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Solution

The fourth proportional to 39,682.79, 54,764.71 and 26,230.71 is: 36,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,682.79 : 54,764.71 = 26,230.71 : x
  2. Step 2: Convert to fraction form
    39,682.79/54,764.71 = 26,230.71/x
  3. Step 3: Cross multiply
    39,682.79x = 54,764.71 × 26,230.71
  4. Step 4: Simplify right side
    39,682.79x = 1,436,517,297.58
  5. Step 5: Solve for x
    x = 1,436,517,297.58/39,682.79
  6. Step 6: Final answer
    x = 36,200.01

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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.