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Finding the Fourth Proportional to 7,395.42, 10,205.21 and 4,037.55

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Solution

The fourth proportional to 7,395.42, 10,205.21 and 4,037.55 is: 5,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.42 : 10,205.21 = 4,037.55 : x
  2. Step 2: Convert to fraction form
    7,395.42/10,205.21 = 4,037.55/x
  3. Step 3: Cross multiply
    7,395.42x = 10,205.21 × 4,037.55
  4. Step 4: Simplify right side
    7,395.42x = 41,203,994.61
  5. Step 5: Solve for x
    x = 41,203,994.61/7,395.42
  6. Step 6: Final answer
    x = 5,571.56

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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.