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Finding the Fourth Proportional to 7,753.38, 11,630.04 and 3,368.44

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Solution

The fourth proportional to 7,753.38, 11,630.04 and 3,368.44 is: 5,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.38 : 11,630.04 = 3,368.44 : x
  2. Step 2: Convert to fraction form
    7,753.38/11,630.04 = 3,368.44/x
  3. Step 3: Cross multiply
    7,753.38x = 11,630.04 × 3,368.44
  4. Step 4: Simplify right side
    7,753.38x = 39,175,091.94
  5. Step 5: Solve for x
    x = 39,175,091.94/7,753.38
  6. Step 6: Final answer
    x = 5,052.65

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1.5x scale

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.