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Finding the Fourth Proportional to 10,199.71, 14,071.99 and 6,664.97

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Solution

The fourth proportional to 10,199.71, 14,071.99 and 6,664.97 is: 9,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.71 : 14,071.99 = 6,664.97 : x
  2. Step 2: Convert to fraction form
    10,199.71/14,071.99 = 6,664.97/x
  3. Step 3: Cross multiply
    10,199.71x = 14,071.99 × 6,664.97
  4. Step 4: Simplify right side
    10,199.71x = 93,789,391.19
  5. Step 5: Solve for x
    x = 93,789,391.19/10,199.71
  6. Step 6: Final answer
    x = 9,195.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.