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Finding the Fourth Proportional to 15,075.57, 22,612.99 and 3,983.04

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Solution

The fourth proportional to 15,075.57, 22,612.99 and 3,983.04 is: 5,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.57 : 22,612.99 = 3,983.04 : x
  2. Step 2: Convert to fraction form
    15,075.57/22,612.99 = 3,983.04/x
  3. Step 3: Cross multiply
    15,075.57x = 22,612.99 × 3,983.04
  4. Step 4: Simplify right side
    15,075.57x = 90,068,443.69
  5. Step 5: Solve for x
    x = 90,068,443.69/15,075.57
  6. Step 6: Final answer
    x = 5,974.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.