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Finding the Fourth Proportional to 11,668.65, 17,495.94 and 4,649.76

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Solution

The fourth proportional to 11,668.65, 17,495.94 and 4,649.76 is: 6,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.65 : 17,495.94 = 4,649.76 : x
  2. Step 2: Convert to fraction form
    11,668.65/17,495.94 = 4,649.76/x
  3. Step 3: Cross multiply
    11,668.65x = 17,495.94 × 4,649.76
  4. Step 4: Simplify right side
    11,668.65x = 81,351,921.97
  5. Step 5: Solve for x
    x = 81,351,921.97/11,668.65
  6. Step 6: Final answer
    x = 6,971.84

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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.