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Finding the Fourth Proportional to 48,600, 67,085.28 and 33,704.64

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Solution

The fourth proportional to 48,600, 67,085.28 and 33,704.64 is: 46,524.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,600 : 67,085.28 = 33,704.64 : x
  2. Step 2: Convert to fraction form
    48,600/67,085.28 = 33,704.64/x
  3. Step 3: Cross multiply
    48,600x = 67,085.28 × 33,704.64
  4. Step 4: Simplify right side
    48,600x = 2,261,085,211.70
  5. Step 5: Solve for x
    x = 2,261,085,211.70/48,600
  6. Step 6: Final answer
    x = 46,524.39

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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.