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Finding the Fourth Proportional to 3,392.67, 5,088.40 and 1,201.41

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Solution

The fourth proportional to 3,392.67, 5,088.40 and 1,201.41 is: 1,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.67 : 5,088.40 = 1,201.41 : x
  2. Step 2: Convert to fraction form
    3,392.67/5,088.40 = 1,201.41/x
  3. Step 3: Cross multiply
    3,392.67x = 5,088.40 × 1,201.41
  4. Step 4: Simplify right side
    3,392.67x = 6,113,248.64
  5. Step 5: Solve for x
    x = 6,113,248.64/3,392.67
  6. Step 6: Final answer
    x = 1,801.90

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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.