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Finding the Fourth Proportional to 3,552.89, 5,329.95 and 1,087.46

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Solution

The fourth proportional to 3,552.89, 5,329.95 and 1,087.46 is: 1,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.89 : 5,329.95 = 1,087.46 : x
  2. Step 2: Convert to fraction form
    3,552.89/5,329.95 = 1,087.46/x
  3. Step 3: Cross multiply
    3,552.89x = 5,329.95 × 1,087.46
  4. Step 4: Simplify right side
    3,552.89x = 5,796,075.34
  5. Step 5: Solve for x
    x = 5,796,075.34/3,552.89
  6. Step 6: Final answer
    x = 1,631.37

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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.