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Finding the Fourth Proportional to 53,934.40, 80,872.80 and 22,734.40

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Solution

The fourth proportional to 53,934.40, 80,872.80 and 22,734.40 is: 34,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,934.40 : 80,872.80 = 22,734.40 : x
  2. Step 2: Convert to fraction form
    53,934.40/80,872.80 = 22,734.40/x
  3. Step 3: Cross multiply
    53,934.40x = 80,872.80 × 22,734.40
  4. Step 4: Simplify right side
    53,934.40x = 1,838,594,584.32
  5. Step 5: Solve for x
    x = 1,838,594,584.32/53,934.40
  6. Step 6: Final answer
    x = 34,089.46

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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.