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Finding the Fourth Proportional to 7,603.95, 11,404.68 and 2,672.43

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Solution

The fourth proportional to 7,603.95, 11,404.68 and 2,672.43 is: 4,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.95 : 11,404.68 = 2,672.43 : x
  2. Step 2: Convert to fraction form
    7,603.95/11,404.68 = 2,672.43/x
  3. Step 3: Cross multiply
    7,603.95x = 11,404.68 × 2,672.43
  4. Step 4: Simplify right side
    7,603.95x = 30,478,208.97
  5. Step 5: Solve for x
    x = 30,478,208.97/7,603.95
  6. Step 6: Final answer
    x = 4,008.21

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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.