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Finding the Fourth Proportional to 6,627.89, 9,943.05 and 2,730.17

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Solution

The fourth proportional to 6,627.89, 9,943.05 and 2,730.17 is: 4,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.89 : 9,943.05 = 2,730.17 : x
  2. Step 2: Convert to fraction form
    6,627.89/9,943.05 = 2,730.17/x
  3. Step 3: Cross multiply
    6,627.89x = 9,943.05 × 2,730.17
  4. Step 4: Simplify right side
    6,627.89x = 27,146,216.82
  5. Step 5: Solve for x
    x = 27,146,216.82/6,627.89
  6. Step 6: Final answer
    x = 4,095.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.