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Finding the Fourth Proportional to 68,913.51, 95,027.88 and 54,550.39

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Solution

The fourth proportional to 68,913.51, 95,027.88 and 54,550.39 is: 75,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,913.51 : 95,027.88 = 54,550.39 : x
  2. Step 2: Convert to fraction form
    68,913.51/95,027.88 = 54,550.39/x
  3. Step 3: Cross multiply
    68,913.51x = 95,027.88 × 54,550.39
  4. Step 4: Simplify right side
    68,913.51x = 5,183,807,792.78
  5. Step 5: Solve for x
    x = 5,183,807,792.78/68,913.51
  6. Step 6: Final answer
    x = 75,221.94

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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.