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Finding the Fourth Proportional to 9,474.73, 13,075.21 and 5,225.95

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Solution

The fourth proportional to 9,474.73, 13,075.21 and 5,225.95 is: 7,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,474.73 : 13,075.21 = 5,225.95 : x
  2. Step 2: Convert to fraction form
    9,474.73/13,075.21 = 5,225.95/x
  3. Step 3: Cross multiply
    9,474.73x = 13,075.21 × 5,225.95
  4. Step 4: Simplify right side
    9,474.73x = 68,330,393.70
  5. Step 5: Solve for x
    x = 68,330,393.70/9,474.73
  6. Step 6: Final answer
    x = 7,211.86

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