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Finding the Fourth Proportional to 6,191.09, 8,543.63 and 3,358.41

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Solution

The fourth proportional to 6,191.09, 8,543.63 and 3,358.41 is: 4,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.09 : 8,543.63 = 3,358.41 : x
  2. Step 2: Convert to fraction form
    6,191.09/8,543.63 = 3,358.41/x
  3. Step 3: Cross multiply
    6,191.09x = 8,543.63 × 3,358.41
  4. Step 4: Simplify right side
    6,191.09x = 28,692,952.92
  5. Step 5: Solve for x
    x = 28,692,952.92/6,191.09
  6. Step 6: Final answer
    x = 4,634.56

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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.