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Finding the Fourth Proportional to 69,801.28, 96,361.44 and 53,849.92

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Solution

The fourth proportional to 69,801.28, 96,361.44 and 53,849.92 is: 74,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,801.28 : 96,361.44 = 53,849.92 : x
  2. Step 2: Convert to fraction form
    69,801.28/96,361.44 = 53,849.92/x
  3. Step 3: Cross multiply
    69,801.28x = 96,361.44 × 53,849.92
  4. Step 4: Simplify right side
    69,801.28x = 5,189,055,835.08
  5. Step 5: Solve for x
    x = 5,189,055,835.08/69,801.28
  6. Step 6: Final answer
    x = 74,340.41

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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.