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Finding the Fourth Proportional to 4,753.52, 7,133.39 and 2,156.48

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Solution

The fourth proportional to 4,753.52, 7,133.39 and 2,156.48 is: 3,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.52 : 7,133.39 = 2,156.48 : x
  2. Step 2: Convert to fraction form
    4,753.52/7,133.39 = 2,156.48/x
  3. Step 3: Cross multiply
    4,753.52x = 7,133.39 × 2,156.48
  4. Step 4: Simplify right side
    4,753.52x = 15,383,002.08
  5. Step 5: Solve for x
    x = 15,383,002.08/4,753.52
  6. Step 6: Final answer
    x = 3,236.13

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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.