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Finding the Fourth Proportional to 14,469.30, 21,710.99 and 6,576.96

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Solution

The fourth proportional to 14,469.30, 21,710.99 and 6,576.96 is: 9,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.30 : 21,710.99 = 6,576.96 : x
  2. Step 2: Convert to fraction form
    14,469.30/21,710.99 = 6,576.96/x
  3. Step 3: Cross multiply
    14,469.30x = 21,710.99 × 6,576.96
  4. Step 4: Simplify right side
    14,469.30x = 142,792,312.79
  5. Step 5: Solve for x
    x = 142,792,312.79/14,469.30
  6. Step 6: Final answer
    x = 9,868.64

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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.