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Finding the Fourth Proportional to 69,777.92, 96,244.74 and 45,896.96

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Solution

The fourth proportional to 69,777.92, 96,244.74 and 45,896.96 is: 63,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,777.92 : 96,244.74 = 45,896.96 : x
  2. Step 2: Convert to fraction form
    69,777.92/96,244.74 = 45,896.96/x
  3. Step 3: Cross multiply
    69,777.92x = 96,244.74 × 45,896.96
  4. Step 4: Simplify right side
    69,777.92x = 4,417,340,981.99
  5. Step 5: Solve for x
    x = 4,417,340,981.99/69,777.92
  6. Step 6: Final answer
    x = 63,305.71

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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.