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Finding the Fourth Proportional to 7,503.03, 11,246.99 and 3,605.31

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Solution

The fourth proportional to 7,503.03, 11,246.99 and 3,605.31 is: 5,404.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.03 : 11,246.99 = 3,605.31 : x
  2. Step 2: Convert to fraction form
    7,503.03/11,246.99 = 3,605.31/x
  3. Step 3: Cross multiply
    7,503.03x = 11,246.99 × 3,605.31
  4. Step 4: Simplify right side
    7,503.03x = 40,548,867.49
  5. Step 5: Solve for x
    x = 40,548,867.49/7,503.03
  6. Step 6: Final answer
    x = 5,404.33

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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.