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Finding the Fourth Proportional to 69,311.06, 95,649.34 and 37,479.96

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Solution

The fourth proportional to 69,311.06, 95,649.34 and 37,479.96 is: 51,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,311.06 : 95,649.34 = 37,479.96 : x
  2. Step 2: Convert to fraction form
    69,311.06/95,649.34 = 37,479.96/x
  3. Step 3: Cross multiply
    69,311.06x = 95,649.34 × 37,479.96
  4. Step 4: Simplify right side
    69,311.06x = 3,584,933,437.23
  5. Step 5: Solve for x
    x = 3,584,933,437.23/69,311.06
  6. Step 6: Final answer
    x = 51,722.39

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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.