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Finding the Fourth Proportional to 6,979.25, 9,627.05 and 4,589.50

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Solution

The fourth proportional to 6,979.25, 9,627.05 and 4,589.50 is: 6,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979.25 : 9,627.05 = 4,589.50 : x
  2. Step 2: Convert to fraction form
    6,979.25/9,627.05 = 4,589.50/x
  3. Step 3: Cross multiply
    6,979.25x = 9,627.05 × 4,589.50
  4. Step 4: Simplify right side
    6,979.25x = 44,183,298.96
  5. Step 5: Solve for x
    x = 44,183,298.96/6,979.25
  6. Step 6: Final answer
    x = 6,330.66

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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.