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Finding the Fourth Proportional to 52,367.76, 72,249.84 and 29,704.32

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Solution

The fourth proportional to 52,367.76, 72,249.84 and 29,704.32 is: 40,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,367.76 : 72,249.84 = 29,704.32 : x
  2. Step 2: Convert to fraction form
    52,367.76/72,249.84 = 29,704.32/x
  3. Step 3: Cross multiply
    52,367.76x = 72,249.84 × 29,704.32
  4. Step 4: Simplify right side
    52,367.76x = 2,146,132,367.31
  5. Step 5: Solve for x
    x = 2,146,132,367.31/52,367.76
  6. Step 6: Final answer
    x = 40,981.94

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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.