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Finding the Fourth Proportional to 62,744.84, 86,555.22 and 50,821.64

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Solution

The fourth proportional to 62,744.84, 86,555.22 and 50,821.64 is: 70,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,744.84 : 86,555.22 = 50,821.64 : x
  2. Step 2: Convert to fraction form
    62,744.84/86,555.22 = 50,821.64/x
  3. Step 3: Cross multiply
    62,744.84x = 86,555.22 × 50,821.64
  4. Step 4: Simplify right side
    62,744.84x = 4,398,878,230.96
  5. Step 5: Solve for x
    x = 4,398,878,230.96/62,744.84
  6. Step 6: Final answer
    x = 70,107.41

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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.