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Finding the Fourth Proportional to 49,646.88, 68,512.69 and 27,290.88

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Solution

The fourth proportional to 49,646.88, 68,512.69 and 27,290.88 is: 37,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,646.88 : 68,512.69 = 27,290.88 : x
  2. Step 2: Convert to fraction form
    49,646.88/68,512.69 = 27,290.88/x
  3. Step 3: Cross multiply
    49,646.88x = 68,512.69 × 27,290.88
  4. Step 4: Simplify right side
    49,646.88x = 1,869,771,601.27
  5. Step 5: Solve for x
    x = 1,869,771,601.27/49,646.88
  6. Step 6: Final answer
    x = 37,661.41

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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.