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Finding the Fourth Proportional to 16,722.70, 25,075.14 and 5,625.70

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Solution

The fourth proportional to 16,722.70, 25,075.14 and 5,625.70 is: 8,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,722.70 : 25,075.14 = 5,625.70 : x
  2. Step 2: Convert to fraction form
    16,722.70/25,075.14 = 5,625.70/x
  3. Step 3: Cross multiply
    16,722.70x = 25,075.14 × 5,625.70
  4. Step 4: Simplify right side
    16,722.70x = 141,065,215.10
  5. Step 5: Solve for x
    x = 141,065,215.10/16,722.70
  6. Step 6: Final answer
    x = 8,435.55

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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.