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Finding the Fourth Proportional to 8,471.08, 11,690.08 and 4,694.26

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Solution

The fourth proportional to 8,471.08, 11,690.08 and 4,694.26 is: 6,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.08 : 11,690.08 = 4,694.26 : x
  2. Step 2: Convert to fraction form
    8,471.08/11,690.08 = 4,694.26/x
  3. Step 3: Cross multiply
    8,471.08x = 11,690.08 × 4,694.26
  4. Step 4: Simplify right side
    8,471.08x = 54,876,274.94
  5. Step 5: Solve for x
    x = 54,876,274.94/8,471.08
  6. Step 6: Final answer
    x = 6,478.07

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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.