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Finding the Fourth Proportional to 68,887.87, 95,063.86 and 38,259.34

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Solution

The fourth proportional to 68,887.87, 95,063.86 and 38,259.34 is: 52,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,887.87 : 95,063.86 = 38,259.34 : x
  2. Step 2: Convert to fraction form
    68,887.87/95,063.86 = 38,259.34/x
  3. Step 3: Cross multiply
    68,887.87x = 95,063.86 × 38,259.34
  4. Step 4: Simplify right side
    68,887.87x = 3,637,080,351.62
  5. Step 5: Solve for x
    x = 3,637,080,351.62/68,887.87
  6. Step 6: Final answer
    x = 52,797.11

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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.