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Finding the Fourth Proportional to 6,355.30, 8,769.02 and 4,116.86

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Solution

The fourth proportional to 6,355.30, 8,769.02 and 4,116.86 is: 5,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.30 : 8,769.02 = 4,116.86 : x
  2. Step 2: Convert to fraction form
    6,355.30/8,769.02 = 4,116.86/x
  3. Step 3: Cross multiply
    6,355.30x = 8,769.02 × 4,116.86
  4. Step 4: Simplify right side
    6,355.30x = 36,100,827.68
  5. Step 5: Solve for x
    x = 36,100,827.68/6,355.30
  6. Step 6: Final answer
    x = 5,680.43

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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.