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Finding the Fourth Proportional to 39,797.45, 54,928.29 and 22,813.08

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Solution

The fourth proportional to 39,797.45, 54,928.29 and 22,813.08 is: 31,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,797.45 : 54,928.29 = 22,813.08 : x
  2. Step 2: Convert to fraction form
    39,797.45/54,928.29 = 22,813.08/x
  3. Step 3: Cross multiply
    39,797.45x = 54,928.29 × 22,813.08
  4. Step 4: Simplify right side
    39,797.45x = 1,253,083,474.03
  5. Step 5: Solve for x
    x = 1,253,083,474.03/39,797.45
  6. Step 6: Final answer
    x = 31,486.53

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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.