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Finding the Fourth Proportional to 69,653.50, 96,187.44 and 48,490.64

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Solution

The fourth proportional to 69,653.50, 96,187.44 and 48,490.64 is: 66,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,653.50 : 96,187.44 = 48,490.64 : x
  2. Step 2: Convert to fraction form
    69,653.50/96,187.44 = 48,490.64/x
  3. Step 3: Cross multiply
    69,653.50x = 96,187.44 × 48,490.64
  4. Step 4: Simplify right side
    69,653.50x = 4,664,190,525.56
  5. Step 5: Solve for x
    x = 4,664,190,525.56/69,653.50
  6. Step 6: Final answer
    x = 66,962.76

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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.