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Finding the Fourth Proportional to 11,668.54, 17,495.74 and 4,649.62

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Solution

The fourth proportional to 11,668.54, 17,495.74 and 4,649.62 is: 6,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.54 : 17,495.74 = 4,649.62 : x
  2. Step 2: Convert to fraction form
    11,668.54/17,495.74 = 4,649.62/x
  3. Step 3: Cross multiply
    11,668.54x = 17,495.74 × 4,649.62
  4. Step 4: Simplify right side
    11,668.54x = 81,348,542.62
  5. Step 5: Solve for x
    x = 81,348,542.62/11,668.54
  6. Step 6: Final answer
    x = 6,971.61

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1.5x scale

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.