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Finding the Fourth Proportional to 5,979.56, 8,251.80 and 3,495.56

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Solution

The fourth proportional to 5,979.56, 8,251.80 and 3,495.56 is: 4,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.56 : 8,251.80 = 3,495.56 : x
  2. Step 2: Convert to fraction form
    5,979.56/8,251.80 = 3,495.56/x
  3. Step 3: Cross multiply
    5,979.56x = 8,251.80 × 3,495.56
  4. Step 4: Simplify right side
    5,979.56x = 28,844,682.64
  5. Step 5: Solve for x
    x = 28,844,682.64/5,979.56
  6. Step 6: Final answer
    x = 4,823.88

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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.