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Finding the Fourth Proportional to 7,603.41, 11,405.71 and 2,674.15

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Solution

The fourth proportional to 7,603.41, 11,405.71 and 2,674.15 is: 4,011.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.41 : 11,405.71 = 2,674.15 : x
  2. Step 2: Convert to fraction form
    7,603.41/11,405.71 = 2,674.15/x
  3. Step 3: Cross multiply
    7,603.41x = 11,405.71 × 2,674.15
  4. Step 4: Simplify right side
    7,603.41x = 30,500,579.40
  5. Step 5: Solve for x
    x = 30,500,579.40/7,603.41
  6. Step 6: Final answer
    x = 4,011.43

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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.