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Finding the Fourth Proportional to 73,086.84, 100,859.94 and 39,552.84

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Solution

The fourth proportional to 73,086.84, 100,859.94 and 39,552.84 is: 54,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,086.84 : 100,859.94 = 39,552.84 : x
  2. Step 2: Convert to fraction form
    73,086.84/100,859.94 = 39,552.84/x
  3. Step 3: Cross multiply
    73,086.84x = 100,859.94 × 39,552.84
  4. Step 4: Simplify right side
    73,086.84x = 3,989,297,069.23
  5. Step 5: Solve for x
    x = 3,989,297,069.23/73,086.84
  6. Step 6: Final answer
    x = 54,582.97

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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.