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Finding the Fourth Proportional to 9,889.76, 14,834.64 and 2,964.26

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Solution

The fourth proportional to 9,889.76, 14,834.64 and 2,964.26 is: 4,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889.76 : 14,834.64 = 2,964.26 : x
  2. Step 2: Convert to fraction form
    9,889.76/14,834.64 = 2,964.26/x
  3. Step 3: Cross multiply
    9,889.76x = 14,834.64 × 2,964.26
  4. Step 4: Simplify right side
    9,889.76x = 43,973,729.97
  5. Step 5: Solve for x
    x = 43,973,729.97/9,889.76
  6. Step 6: Final answer
    x = 4,446.39

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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.