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Finding the Fourth Proportional to 6,668.84, 10,009.53 and 3,384.29

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Solution

The fourth proportional to 6,668.84, 10,009.53 and 3,384.29 is: 5,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.84 : 10,009.53 = 3,384.29 : x
  2. Step 2: Convert to fraction form
    6,668.84/10,009.53 = 3,384.29/x
  3. Step 3: Cross multiply
    6,668.84x = 10,009.53 × 3,384.29
  4. Step 4: Simplify right side
    6,668.84x = 33,875,102.24
  5. Step 5: Solve for x
    x = 33,875,102.24/6,668.84
  6. Step 6: Final answer
    x = 5,079.61

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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.