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Finding the Fourth Proportional to 5,433.69, 7,499.10 and 3,075.99

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Solution

The fourth proportional to 5,433.69, 7,499.10 and 3,075.99 is: 4,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.69 : 7,499.10 = 3,075.99 : x
  2. Step 2: Convert to fraction form
    5,433.69/7,499.10 = 3,075.99/x
  3. Step 3: Cross multiply
    5,433.69x = 7,499.10 × 3,075.99
  4. Step 4: Simplify right side
    5,433.69x = 23,067,156.61
  5. Step 5: Solve for x
    x = 23,067,156.61/5,433.69
  6. Step 6: Final answer
    x = 4,245.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.