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Finding the Fourth Proportional to 3,294.60, 4,940.01 and 1,102.74

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Solution

The fourth proportional to 3,294.60, 4,940.01 and 1,102.74 is: 1,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.60 : 4,940.01 = 1,102.74 : x
  2. Step 2: Convert to fraction form
    3,294.60/4,940.01 = 1,102.74/x
  3. Step 3: Cross multiply
    3,294.60x = 4,940.01 × 1,102.74
  4. Step 4: Simplify right side
    3,294.60x = 5,447,546.63
  5. Step 5: Solve for x
    x = 5,447,546.63/3,294.60
  6. Step 6: Final answer
    x = 1,653.48

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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.