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Finding the Fourth Proportional to 3,469.01, 4,787.16 and 1,897.10

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Solution

The fourth proportional to 3,469.01, 4,787.16 and 1,897.10 is: 2,617.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.01 : 4,787.16 = 1,897.10 : x
  2. Step 2: Convert to fraction form
    3,469.01/4,787.16 = 1,897.10/x
  3. Step 3: Cross multiply
    3,469.01x = 4,787.16 × 1,897.10
  4. Step 4: Simplify right side
    3,469.01x = 9,081,711.75
  5. Step 5: Solve for x
    x = 9,081,711.75/3,469.01
  6. Step 6: Final answer
    x = 2,617.95

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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.