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Finding the Fourth Proportional to 45,451.84, 68,087.04 and 36,107.68

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Solution

The fourth proportional to 45,451.84, 68,087.04 and 36,107.68 is: 54,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,451.84 : 68,087.04 = 36,107.68 : x
  2. Step 2: Convert to fraction form
    45,451.84/68,087.04 = 36,107.68/x
  3. Step 3: Cross multiply
    45,451.84x = 68,087.04 × 36,107.68
  4. Step 4: Simplify right side
    45,451.84x = 2,458,465,052.47
  5. Step 5: Solve for x
    x = 2,458,465,052.47/45,451.84
  6. Step 6: Final answer
    x = 54,089.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.