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Finding the Fourth Proportional to 3,393.52, 4,682.88 and 1,901.44

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Solution

The fourth proportional to 3,393.52, 4,682.88 and 1,901.44 is: 2,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.52 : 4,682.88 = 1,901.44 : x
  2. Step 2: Convert to fraction form
    3,393.52/4,682.88 = 1,901.44/x
  3. Step 3: Cross multiply
    3,393.52x = 4,682.88 × 1,901.44
  4. Step 4: Simplify right side
    3,393.52x = 8,904,215.35
  5. Step 5: Solve for x
    x = 8,904,215.35/3,393.52
  6. Step 6: Final answer
    x = 2,623.89

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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.