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Finding the Fourth Proportional to 6,167.55, 8,508.60 and 3,776.61

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Solution

The fourth proportional to 6,167.55, 8,508.60 and 3,776.61 is: 5,210.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,167.55 : 8,508.60 = 3,776.61 : x
  2. Step 2: Convert to fraction form
    6,167.55/8,508.60 = 3,776.61/x
  3. Step 3: Cross multiply
    6,167.55x = 8,508.60 × 3,776.61
  4. Step 4: Simplify right side
    6,167.55x = 32,133,663.85
  5. Step 5: Solve for x
    x = 32,133,663.85/6,167.55
  6. Step 6: Final answer
    x = 5,210.12

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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.