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Finding the Fourth Proportional to 69,405.99, 95,780.31 and 37,574.88

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Solution

The fourth proportional to 69,405.99, 95,780.31 and 37,574.88 is: 51,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,405.99 : 95,780.31 = 37,574.88 : x
  2. Step 2: Convert to fraction form
    69,405.99/95,780.31 = 37,574.88/x
  3. Step 3: Cross multiply
    69,405.99x = 95,780.31 × 37,574.88
  4. Step 4: Simplify right side
    69,405.99x = 3,598,933,654.61
  5. Step 5: Solve for x
    x = 3,598,933,654.61/69,405.99
  6. Step 6: Final answer
    x = 51,853.36

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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.