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Finding the Fourth Proportional to 69,698.87, 96,184.90 and 37,867.76

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Solution

The fourth proportional to 69,698.87, 96,184.90 and 37,867.76 is: 52,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,698.87 : 96,184.90 = 37,867.76 : x
  2. Step 2: Convert to fraction form
    69,698.87/96,184.90 = 37,867.76/x
  3. Step 3: Cross multiply
    69,698.87x = 96,184.90 × 37,867.76
  4. Step 4: Simplify right side
    69,698.87x = 3,642,306,708.82
  5. Step 5: Solve for x
    x = 3,642,306,708.82/69,698.87
  6. Step 6: Final answer
    x = 52,257.76

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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.