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Finding the Fourth Proportional to 62,380.84, 86,087.34 and 34,786.14

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Solution

The fourth proportional to 62,380.84, 86,087.34 and 34,786.14 is: 48,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,380.84 : 86,087.34 = 34,786.14 : x
  2. Step 2: Convert to fraction form
    62,380.84/86,087.34 = 34,786.14/x
  3. Step 3: Cross multiply
    62,380.84x = 86,087.34 × 34,786.14
  4. Step 4: Simplify right side
    62,380.84x = 2,994,646,059.70
  5. Step 5: Solve for x
    x = 2,994,646,059.70/62,380.84
  6. Step 6: Final answer
    x = 48,005.86

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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.