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Finding the Fourth Proportional to 7,265.30, 10,881.54 and 3,361.50

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Solution

The fourth proportional to 7,265.30, 10,881.54 and 3,361.50 is: 5,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.30 : 10,881.54 = 3,361.50 : x
  2. Step 2: Convert to fraction form
    7,265.30/10,881.54 = 3,361.50/x
  3. Step 3: Cross multiply
    7,265.30x = 10,881.54 × 3,361.50
  4. Step 4: Simplify right side
    7,265.30x = 36,578,296.71
  5. Step 5: Solve for x
    x = 36,578,296.71/7,265.30
  6. Step 6: Final answer
    x = 5,034.66

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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.