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Finding the Fourth Proportional to 69,825.80, 96,472.44 and 48,699.38

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Solution

The fourth proportional to 69,825.80, 96,472.44 and 48,699.38 is: 67,283.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,825.80 : 96,472.44 = 48,699.38 : x
  2. Step 2: Convert to fraction form
    69,825.80/96,472.44 = 48,699.38/x
  3. Step 3: Cross multiply
    69,825.80x = 96,472.44 × 48,699.38
  4. Step 4: Simplify right side
    69,825.80x = 4,698,148,015.09
  5. Step 5: Solve for x
    x = 4,698,148,015.09/69,825.80
  6. Step 6: Final answer
    x = 67,283.84

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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.