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Finding the Fourth Proportional to 7,880.89, 10,896.39 and 7,532.34

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Solution

The fourth proportional to 7,880.89, 10,896.39 and 7,532.34 is: 10,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.89 : 10,896.39 = 7,532.34 : x
  2. Step 2: Convert to fraction form
    7,880.89/10,896.39 = 7,532.34/x
  3. Step 3: Cross multiply
    7,880.89x = 10,896.39 × 7,532.34
  4. Step 4: Simplify right side
    7,880.89x = 82,075,233.95
  5. Step 5: Solve for x
    x = 82,075,233.95/7,880.89
  6. Step 6: Final answer
    x = 10,414.46

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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.