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Finding the Fourth Proportional to 68,843.52, 95,005.44 and 53,753.76

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Solution

The fourth proportional to 68,843.52, 95,005.44 and 53,753.76 is: 74,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,843.52 : 95,005.44 = 53,753.76 : x
  2. Step 2: Convert to fraction form
    68,843.52/95,005.44 = 53,753.76/x
  3. Step 3: Cross multiply
    68,843.52x = 95,005.44 × 53,753.76
  4. Step 4: Simplify right side
    68,843.52x = 5,106,899,620.45
  5. Step 5: Solve for x
    x = 5,106,899,620.45/68,843.52
  6. Step 6: Final answer
    x = 74,181.27

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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.