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Finding the Fourth Proportional to 6,611.88, 9,916.20 and 2,395.56

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Solution

The fourth proportional to 6,611.88, 9,916.20 and 2,395.56 is: 3,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.88 : 9,916.20 = 2,395.56 : x
  2. Step 2: Convert to fraction form
    6,611.88/9,916.20 = 2,395.56/x
  3. Step 3: Cross multiply
    6,611.88x = 9,916.20 × 2,395.56
  4. Step 4: Simplify right side
    6,611.88x = 23,754,852.07
  5. Step 5: Solve for x
    x = 23,754,852.07/6,611.88
  6. Step 6: Final answer
    x = 3,592.75

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1.5x scale

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.