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Finding the Fourth Proportional to 48,474.69, 66,896.04 and 28,332.42

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Solution

The fourth proportional to 48,474.69, 66,896.04 and 28,332.42 is: 39,099.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,474.69 : 66,896.04 = 28,332.42 : x
  2. Step 2: Convert to fraction form
    48,474.69/66,896.04 = 28,332.42/x
  3. Step 3: Cross multiply
    48,474.69x = 66,896.04 × 28,332.42
  4. Step 4: Simplify right side
    48,474.69x = 1,895,326,557.00
  5. Step 5: Solve for x
    x = 1,895,326,557.00/48,474.69
  6. Step 6: Final answer
    x = 39,099.31

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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.