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Finding the Fourth Proportional to 39,059.80, 53,905.84 and 22,067.16

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Solution

The fourth proportional to 39,059.80, 53,905.84 and 22,067.16 is: 30,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,059.80 : 53,905.84 = 22,067.16 : x
  2. Step 2: Convert to fraction form
    39,059.80/53,905.84 = 22,067.16/x
  3. Step 3: Cross multiply
    39,059.80x = 53,905.84 × 22,067.16
  4. Step 4: Simplify right side
    39,059.80x = 1,189,548,796.21
  5. Step 5: Solve for x
    x = 1,189,548,796.21/39,059.80
  6. Step 6: Final answer
    x = 30,454.55

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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.