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Finding the Fourth Proportional to 52,230.38, 72,078.77 and 29,568.78

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Solution

The fourth proportional to 52,230.38, 72,078.77 and 29,568.78 is: 40,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,230.38 : 72,078.77 = 29,568.78 : x
  2. Step 2: Convert to fraction form
    52,230.38/72,078.77 = 29,568.78/x
  3. Step 3: Cross multiply
    52,230.38x = 72,078.77 × 29,568.78
  4. Step 4: Simplify right side
    52,230.38x = 2,131,281,292.80
  5. Step 5: Solve for x
    x = 2,131,281,292.80/52,230.38
  6. Step 6: Final answer
    x = 40,805.40

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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.