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Finding the Fourth Proportional to 25,963.80, 38,859.30 and 22,853.40

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Solution

The fourth proportional to 25,963.80, 38,859.30 and 22,853.40 is: 34,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,963.80 : 38,859.30 = 22,853.40 : x
  2. Step 2: Convert to fraction form
    25,963.80/38,859.30 = 22,853.40/x
  3. Step 3: Cross multiply
    25,963.80x = 38,859.30 × 22,853.40
  4. Step 4: Simplify right side
    25,963.80x = 888,067,126.62
  5. Step 5: Solve for x
    x = 888,067,126.62/25,963.80
  6. Step 6: Final answer
    x = 34,204.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.