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Finding the Fourth Proportional to 69,508.58, 95,921.74 and 37,677.47

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Solution

The fourth proportional to 69,508.58, 95,921.74 and 37,677.47 is: 51,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,508.58 : 95,921.74 = 37,677.47 : x
  2. Step 2: Convert to fraction form
    69,508.58/95,921.74 = 37,677.47/x
  3. Step 3: Cross multiply
    69,508.58x = 95,921.74 × 37,677.47
  4. Step 4: Simplify right side
    69,508.58x = 3,614,088,481.20
  5. Step 5: Solve for x
    x = 3,614,088,481.20/69,508.58
  6. Step 6: Final answer
    x = 51,994.85

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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.