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Finding the Fourth Proportional to 5,979.29, 8,969.13 and 1,596.78

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Solution

The fourth proportional to 5,979.29, 8,969.13 and 1,596.78 is: 2,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.29 : 8,969.13 = 1,596.78 : x
  2. Step 2: Convert to fraction form
    5,979.29/8,969.13 = 1,596.78/x
  3. Step 3: Cross multiply
    5,979.29x = 8,969.13 × 1,596.78
  4. Step 4: Simplify right side
    5,979.29x = 14,321,727.40
  5. Step 5: Solve for x
    x = 14,321,727.40/5,979.29
  6. Step 6: Final answer
    x = 2,395.22

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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.