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Finding the Fourth Proportional to 5,979.64, 8,969.70 and 2,084.44

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Solution

The fourth proportional to 5,979.64, 8,969.70 and 2,084.44 is: 3,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.64 : 8,969.70 = 2,084.44 : x
  2. Step 2: Convert to fraction form
    5,979.64/8,969.70 = 2,084.44/x
  3. Step 3: Cross multiply
    5,979.64x = 8,969.70 × 2,084.44
  4. Step 4: Simplify right side
    5,979.64x = 18,696,801.47
  5. Step 5: Solve for x
    x = 18,696,801.47/5,979.64
  6. Step 6: Final answer
    x = 3,126.74

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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.