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Finding the Fourth Proportional to 6,615.58, 9,916.38 and 2,396.02

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Solution

The fourth proportional to 6,615.58, 9,916.38 and 2,396.02 is: 3,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.58 : 9,916.38 = 2,396.02 : x
  2. Step 2: Convert to fraction form
    6,615.58/9,916.38 = 2,396.02/x
  3. Step 3: Cross multiply
    6,615.58x = 9,916.38 × 2,396.02
  4. Step 4: Simplify right side
    6,615.58x = 23,759,844.81
  5. Step 5: Solve for x
    x = 23,759,844.81/6,615.58
  6. Step 6: Final answer
    x = 3,591.50

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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.