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Finding the Fourth Proportional to 9,889.50, 14,834.25 and 2,964

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Solution

The fourth proportional to 9,889.50, 14,834.25 and 2,964 is: 4,446

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889.50 : 14,834.25 = 2,964 : x
  2. Step 2: Convert to fraction form
    9,889.50/14,834.25 = 2,964/x
  3. Step 3: Cross multiply
    9,889.50x = 14,834.25 × 2,964
  4. Step 4: Simplify right side
    9,889.50x = 43,968,717
  5. Step 5: Solve for x
    x = 43,968,717/9,889.50
  6. Step 6: Final answer
    x = 4,446

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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.