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Finding the Fourth Proportional to 2,274.61, 3,411.19 and 735.25

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Solution

The fourth proportional to 2,274.61, 3,411.19 and 735.25 is: 1,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.61 : 3,411.19 = 735.25 : x
  2. Step 2: Convert to fraction form
    2,274.61/3,411.19 = 735.25/x
  3. Step 3: Cross multiply
    2,274.61x = 3,411.19 × 735.25
  4. Step 4: Simplify right side
    2,274.61x = 2,508,077.45
  5. Step 5: Solve for x
    x = 2,508,077.45/2,274.61
  6. Step 6: Final answer
    x = 1,102.64

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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.