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Finding the Fourth Proportional to 57,422.52, 79,241.40 and 31,928.22

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Solution

The fourth proportional to 57,422.52, 79,241.40 and 31,928.22 is: 44,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,422.52 : 79,241.40 = 31,928.22 : x
  2. Step 2: Convert to fraction form
    57,422.52/79,241.40 = 31,928.22/x
  3. Step 3: Cross multiply
    57,422.52x = 79,241.40 × 31,928.22
  4. Step 4: Simplify right side
    57,422.52x = 2,530,036,852.31
  5. Step 5: Solve for x
    x = 2,530,036,852.31/57,422.52
  6. Step 6: Final answer
    x = 44,060.01

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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.