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Finding the Fourth Proportional to 17,007.49, 23,462.76 and 9,930.79

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Solution

The fourth proportional to 17,007.49, 23,462.76 and 9,930.79 is: 13,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007.49 : 23,462.76 = 9,930.79 : x
  2. Step 2: Convert to fraction form
    17,007.49/23,462.76 = 9,930.79/x
  3. Step 3: Cross multiply
    17,007.49x = 23,462.76 × 9,930.79
  4. Step 4: Simplify right side
    17,007.49x = 233,003,742.38
  5. Step 5: Solve for x
    x = 233,003,742.38/17,007.49
  6. Step 6: Final answer
    x = 13,700.07

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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.