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Finding the Fourth Proportional to 69,909.91, 104,669.47 and 37,773.87

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Solution

The fourth proportional to 69,909.91, 104,669.47 and 37,773.87 is: 56,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,909.91 : 104,669.47 = 37,773.87 : x
  2. Step 2: Convert to fraction form
    69,909.91/104,669.47 = 37,773.87/x
  3. Step 3: Cross multiply
    69,909.91x = 104,669.47 × 37,773.87
  4. Step 4: Simplify right side
    69,909.91x = 3,953,770,952.75
  5. Step 5: Solve for x
    x = 3,953,770,952.75/69,909.91
  6. Step 6: Final answer
    x = 56,555.23

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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.