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Finding the Fourth Proportional to 48,694.53, 73,041.80 and 11,758.53

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Solution

The fourth proportional to 48,694.53, 73,041.80 and 11,758.53 is: 17,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,694.53 : 73,041.80 = 11,758.53 : x
  2. Step 2: Convert to fraction form
    48,694.53/73,041.80 = 11,758.53/x
  3. Step 3: Cross multiply
    48,694.53x = 73,041.80 × 11,758.53
  4. Step 4: Simplify right side
    48,694.53x = 858,864,137.76
  5. Step 5: Solve for x
    x = 858,864,137.76/48,694.53
  6. Step 6: Final answer
    x = 17,637.80

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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.