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Finding the Fourth Proportional to 7,403.16, 11,105.16 and 3,020.52

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Solution

The fourth proportional to 7,403.16, 11,105.16 and 3,020.52 is: 4,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.16 : 11,105.16 = 3,020.52 : x
  2. Step 2: Convert to fraction form
    7,403.16/11,105.16 = 3,020.52/x
  3. Step 3: Cross multiply
    7,403.16x = 11,105.16 × 3,020.52
  4. Step 4: Simplify right side
    7,403.16x = 33,543,357.88
  5. Step 5: Solve for x
    x = 33,543,357.88/7,403.16
  6. Step 6: Final answer
    x = 4,530.95

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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.