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Finding the Fourth Proportional to 49,696.91, 68,584.62 and 28,187.51

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Solution

The fourth proportional to 49,696.91, 68,584.62 and 28,187.51 is: 38,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,696.91 : 68,584.62 = 28,187.51 : x
  2. Step 2: Convert to fraction form
    49,696.91/68,584.62 = 28,187.51/x
  3. Step 3: Cross multiply
    49,696.91x = 68,584.62 × 28,187.51
  4. Step 4: Simplify right side
    49,696.91x = 1,933,229,319.17
  5. Step 5: Solve for x
    x = 1,933,229,319.17/49,696.91
  6. Step 6: Final answer
    x = 38,900.40

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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.