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Finding the Fourth Proportional to 69,403.55, 95,776.77 and 37,572.44

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Solution

The fourth proportional to 69,403.55, 95,776.77 and 37,572.44 is: 51,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,403.55 : 95,776.77 = 37,572.44 : x
  2. Step 2: Convert to fraction form
    69,403.55/95,776.77 = 37,572.44/x
  3. Step 3: Cross multiply
    69,403.55x = 95,776.77 × 37,572.44
  4. Step 4: Simplify right side
    69,403.55x = 3,598,566,465.33
  5. Step 5: Solve for x
    x = 3,598,566,465.33/69,403.55
  6. Step 6: Final answer
    x = 51,849.89

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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.