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Finding the Fourth Proportional to 7,274.84, 10,902.54 and 3,370.64

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Solution

The fourth proportional to 7,274.84, 10,902.54 and 3,370.64 is: 5,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.84 : 10,902.54 = 3,370.64 : x
  2. Step 2: Convert to fraction form
    7,274.84/10,902.54 = 3,370.64/x
  3. Step 3: Cross multiply
    7,274.84x = 10,902.54 × 3,370.64
  4. Step 4: Simplify right side
    7,274.84x = 36,748,537.43
  5. Step 5: Solve for x
    x = 36,748,537.43/7,274.84
  6. Step 6: Final answer
    x = 5,051.46

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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.