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Finding the Fourth Proportional to 57,713.94, 79,639.83 and 33,508.44

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Solution

The fourth proportional to 57,713.94, 79,639.83 and 33,508.44 is: 46,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.94 : 79,639.83 = 33,508.44 : x
  2. Step 2: Convert to fraction form
    57,713.94/79,639.83 = 33,508.44/x
  3. Step 3: Cross multiply
    57,713.94x = 79,639.83 × 33,508.44
  4. Step 4: Simplify right side
    57,713.94x = 2,668,606,465.17
  5. Step 5: Solve for x
    x = 2,668,606,465.17/57,713.94
  6. Step 6: Final answer
    x = 46,238.51

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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.