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Finding the Fourth Proportional to 3,671.66, 5,507.50 and 2,580.91

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Solution

The fourth proportional to 3,671.66, 5,507.50 and 2,580.91 is: 3,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.66 : 5,507.50 = 2,580.91 : x
  2. Step 2: Convert to fraction form
    3,671.66/5,507.50 = 2,580.91/x
  3. Step 3: Cross multiply
    3,671.66x = 5,507.50 × 2,580.91
  4. Step 4: Simplify right side
    3,671.66x = 14,214,327.84
  5. Step 5: Solve for x
    x = 14,214,327.84/3,671.66
  6. Step 6: Final answer
    x = 3,871.36

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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.