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Finding the Fourth Proportional to 4,668.71, 7,003.06 and 1,384.26

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Solution

The fourth proportional to 4,668.71, 7,003.06 and 1,384.26 is: 2,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.71 : 7,003.06 = 1,384.26 : x
  2. Step 2: Convert to fraction form
    4,668.71/7,003.06 = 1,384.26/x
  3. Step 3: Cross multiply
    4,668.71x = 7,003.06 × 1,384.26
  4. Step 4: Simplify right side
    4,668.71x = 9,694,026.11
  5. Step 5: Solve for x
    x = 9,694,026.11/4,668.71
  6. Step 6: Final answer
    x = 2,076.38

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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.