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Finding the Fourth Proportional to 6,161.14, 8,502.54 and 3,508.48

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Solution

The fourth proportional to 6,161.14, 8,502.54 and 3,508.48 is: 4,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,161.14 : 8,502.54 = 3,508.48 : x
  2. Step 2: Convert to fraction form
    6,161.14/8,502.54 = 3,508.48/x
  3. Step 3: Cross multiply
    6,161.14x = 8,502.54 × 3,508.48
  4. Step 4: Simplify right side
    6,161.14x = 29,830,991.54
  5. Step 5: Solve for x
    x = 29,830,991.54/6,161.14
  6. Step 6: Final answer
    x = 4,841.80

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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.