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Finding the Fourth Proportional to 6,730.55, 9,276.05 and 5,475.76

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Solution

The fourth proportional to 6,730.55, 9,276.05 and 5,475.76 is: 7,546.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,730.55 : 9,276.05 = 5,475.76 : x
  2. Step 2: Convert to fraction form
    6,730.55/9,276.05 = 5,475.76/x
  3. Step 3: Cross multiply
    6,730.55x = 9,276.05 × 5,475.76
  4. Step 4: Simplify right side
    6,730.55x = 50,793,363.48
  5. Step 5: Solve for x
    x = 50,793,363.48/6,730.55
  6. Step 6: Final answer
    x = 7,546.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.