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Finding the Fourth Proportional to 5,551.59, 7,661.40 and 3,033.87

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Solution

The fourth proportional to 5,551.59, 7,661.40 and 3,033.87 is: 4,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.59 : 7,661.40 = 3,033.87 : x
  2. Step 2: Convert to fraction form
    5,551.59/7,661.40 = 3,033.87/x
  3. Step 3: Cross multiply
    5,551.59x = 7,661.40 × 3,033.87
  4. Step 4: Simplify right side
    5,551.59x = 23,243,666.55
  5. Step 5: Solve for x
    x = 23,243,666.55/5,551.59
  6. Step 6: Final answer
    x = 4,186.85

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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.