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Finding the Fourth Proportional to 52,342.62, 72,230.74 and 28,469.26

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Solution

The fourth proportional to 52,342.62, 72,230.74 and 28,469.26 is: 39,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,342.62 : 72,230.74 = 28,469.26 : x
  2. Step 2: Convert to fraction form
    52,342.62/72,230.74 = 28,469.26/x
  3. Step 3: Cross multiply
    52,342.62x = 72,230.74 × 28,469.26
  4. Step 4: Simplify right side
    52,342.62x = 2,056,355,717.05
  5. Step 5: Solve for x
    x = 2,056,355,717.05/52,342.62
  6. Step 6: Final answer
    x = 39,286.45

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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.