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Finding the Fourth Proportional to 49,643.88, 68,508.55 and 27,287.88

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Solution

The fourth proportional to 49,643.88, 68,508.55 and 27,287.88 is: 37,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,643.88 : 68,508.55 = 27,287.88 : x
  2. Step 2: Convert to fraction form
    49,643.88/68,508.55 = 27,287.88/x
  3. Step 3: Cross multiply
    49,643.88x = 68,508.55 × 27,287.88
  4. Step 4: Simplify right side
    49,643.88x = 1,869,453,091.37
  5. Step 5: Solve for x
    x = 1,869,453,091.37/49,643.88
  6. Step 6: Final answer
    x = 37,657.27

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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.