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Finding the Fourth Proportional to 2,671.55, 3,686.72 and 1,476.62

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Solution

The fourth proportional to 2,671.55, 3,686.72 and 1,476.62 is: 2,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.55 : 3,686.72 = 1,476.62 : x
  2. Step 2: Convert to fraction form
    2,671.55/3,686.72 = 1,476.62/x
  3. Step 3: Cross multiply
    2,671.55x = 3,686.72 × 1,476.62
  4. Step 4: Simplify right side
    2,671.55x = 5,443,866.05
  5. Step 5: Solve for x
    x = 5,443,866.05/2,671.55
  6. Step 6: Final answer
    x = 2,037.72

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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.