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Finding the Fourth Proportional to 5,685.56, 8,536.32 and 2,914.22

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Solution

The fourth proportional to 5,685.56, 8,536.32 and 2,914.22 is: 4,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.56 : 8,536.32 = 2,914.22 : x
  2. Step 2: Convert to fraction form
    5,685.56/8,536.32 = 2,914.22/x
  3. Step 3: Cross multiply
    5,685.56x = 8,536.32 × 2,914.22
  4. Step 4: Simplify right side
    5,685.56x = 24,876,714.47
  5. Step 5: Solve for x
    x = 24,876,714.47/5,685.56
  6. Step 6: Final answer
    x = 4,375.42

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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.