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Finding the Fourth Proportional to 69,697.87, 96,183.52 and 37,866.76

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Solution

The fourth proportional to 69,697.87, 96,183.52 and 37,866.76 is: 52,256.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,697.87 : 96,183.52 = 37,866.76 : x
  2. Step 2: Convert to fraction form
    69,697.87/96,183.52 = 37,866.76/x
  3. Step 3: Cross multiply
    69,697.87x = 96,183.52 × 37,866.76
  4. Step 4: Simplify right side
    69,697.87x = 3,642,158,267.80
  5. Step 5: Solve for x
    x = 3,642,158,267.80/69,697.87
  6. Step 6: Final answer
    x = 52,256.38

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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.