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Finding the Fourth Proportional to 69,562.55, 95,996.31 and 39,347.22

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Solution

The fourth proportional to 69,562.55, 95,996.31 and 39,347.22 is: 54,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,562.55 : 95,996.31 = 39,347.22 : x
  2. Step 2: Convert to fraction form
    69,562.55/95,996.31 = 39,347.22/x
  3. Step 3: Cross multiply
    69,562.55x = 95,996.31 × 39,347.22
  4. Step 4: Simplify right side
    69,562.55x = 3,777,187,933.21
  5. Step 5: Solve for x
    x = 3,777,187,933.21/69,562.55
  6. Step 6: Final answer
    x = 54,299.16

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1.5x scale

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.