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Finding the Fourth Proportional to 10,668.03, 14,721.35 and 5,951.40

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Solution

The fourth proportional to 10,668.03, 14,721.35 and 5,951.40 is: 8,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.03 : 14,721.35 = 5,951.40 : x
  2. Step 2: Convert to fraction form
    10,668.03/14,721.35 = 5,951.40/x
  3. Step 3: Cross multiply
    10,668.03x = 14,721.35 × 5,951.40
  4. Step 4: Simplify right side
    10,668.03x = 87,612,612.63
  5. Step 5: Solve for x
    x = 87,612,612.63/10,668.03
  6. Step 6: Final answer
    x = 8,212.63

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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.