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Finding the Fourth Proportional to 48,732.99, 73,102.10 and 15,455.71

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Solution

The fourth proportional to 48,732.99, 73,102.10 and 15,455.71 is: 23,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,732.99 : 73,102.10 = 15,455.71 : x
  2. Step 2: Convert to fraction form
    48,732.99/73,102.10 = 15,455.71/x
  3. Step 3: Cross multiply
    48,732.99x = 73,102.10 × 15,455.71
  4. Step 4: Simplify right side
    48,732.99x = 1,129,844,872.09
  5. Step 5: Solve for x
    x = 1,129,844,872.09/48,732.99
  6. Step 6: Final answer
    x = 23,184.39

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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.