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Finding the Fourth Proportional to 6,191.92, 8,541.96 and 3,673.84

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Solution

The fourth proportional to 6,191.92, 8,541.96 and 3,673.84 is: 5,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.92 : 8,541.96 = 3,673.84 : x
  2. Step 2: Convert to fraction form
    6,191.92/8,541.96 = 3,673.84/x
  3. Step 3: Cross multiply
    6,191.92x = 8,541.96 × 3,673.84
  4. Step 4: Simplify right side
    6,191.92x = 31,381,794.33
  5. Step 5: Solve for x
    x = 31,381,794.33/6,191.92
  6. Step 6: Final answer
    x = 5,068.18

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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.