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Finding the Fourth Proportional to 7,395.45, 11,099.84 and 5,395.94

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Solution

The fourth proportional to 7,395.45, 11,099.84 and 5,395.94 is: 8,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.45 : 11,099.84 = 5,395.94 : x
  2. Step 2: Convert to fraction form
    7,395.45/11,099.84 = 5,395.94/x
  3. Step 3: Cross multiply
    7,395.45x = 11,099.84 × 5,395.94
  4. Step 4: Simplify right side
    7,395.45x = 59,894,122.15
  5. Step 5: Solve for x
    x = 59,894,122.15/7,395.45
  6. Step 6: Final answer
    x = 8,098.78

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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.