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Finding the Fourth Proportional to 9,915.44, 14,873.02 and 2,419.03

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Solution

The fourth proportional to 9,915.44, 14,873.02 and 2,419.03 is: 3,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.44 : 14,873.02 = 2,419.03 : x
  2. Step 2: Convert to fraction form
    9,915.44/14,873.02 = 2,419.03/x
  3. Step 3: Cross multiply
    9,915.44x = 14,873.02 × 2,419.03
  4. Step 4: Simplify right side
    9,915.44x = 35,978,269.48
  5. Step 5: Solve for x
    x = 35,978,269.48/9,915.44
  6. Step 6: Final answer
    x = 3,628.51

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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.