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Finding the Fourth Proportional to 6,551.42, 9,039.94 and 3,756.38

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Solution

The fourth proportional to 6,551.42, 9,039.94 and 3,756.38 is: 5,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.42 : 9,039.94 = 3,756.38 : x
  2. Step 2: Convert to fraction form
    6,551.42/9,039.94 = 3,756.38/x
  3. Step 3: Cross multiply
    6,551.42x = 9,039.94 × 3,756.38
  4. Step 4: Simplify right side
    6,551.42x = 33,957,385.84
  5. Step 5: Solve for x
    x = 33,957,385.84/6,551.42
  6. Step 6: Final answer
    x = 5,183.21

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1.5x scale

Why These Related Problems?

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