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Finding the Fourth Proportional to 4,410.54, 6,611.16 and 1,487.82

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Solution

The fourth proportional to 4,410.54, 6,611.16 and 1,487.82 is: 2,230.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,410.54 : 6,611.16 = 1,487.82 : x
  2. Step 2: Convert to fraction form
    4,410.54/6,611.16 = 1,487.82/x
  3. Step 3: Cross multiply
    4,410.54x = 6,611.16 × 1,487.82
  4. Step 4: Simplify right side
    4,410.54x = 9,836,216.07
  5. Step 5: Solve for x
    x = 9,836,216.07/4,410.54
  6. Step 6: Final answer
    x = 2,230.16

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Why These Related Problems?

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