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Finding the Fourth Proportional to 68,005.51, 93,843.63 and 37,789.07

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Solution

The fourth proportional to 68,005.51, 93,843.63 and 37,789.07 is: 52,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,005.51 : 93,843.63 = 37,789.07 : x
  2. Step 2: Convert to fraction form
    68,005.51/93,843.63 = 37,789.07/x
  3. Step 3: Cross multiply
    68,005.51x = 93,843.63 × 37,789.07
  4. Step 4: Simplify right side
    68,005.51x = 3,546,263,033.91
  5. Step 5: Solve for x
    x = 3,546,263,033.91/68,005.51
  6. Step 6: Final answer
    x = 52,146.70

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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.