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Finding the Fourth Proportional to 7,333.66, 10,997.81 and 2,652.55

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Solution

The fourth proportional to 7,333.66, 10,997.81 and 2,652.55 is: 3,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.66 : 10,997.81 = 2,652.55 : x
  2. Step 2: Convert to fraction form
    7,333.66/10,997.81 = 2,652.55/x
  3. Step 3: Cross multiply
    7,333.66x = 10,997.81 × 2,652.55
  4. Step 4: Simplify right side
    7,333.66x = 29,172,240.92
  5. Step 5: Solve for x
    x = 29,172,240.92/7,333.66
  6. Step 6: Final answer
    x = 3,977.86

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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.