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Finding the Fourth Proportional to 6,686.51, 10,031.13 and 2,006.33

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Solution

The fourth proportional to 6,686.51, 10,031.13 and 2,006.33 is: 3,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.51 : 10,031.13 = 2,006.33 : x
  2. Step 2: Convert to fraction form
    6,686.51/10,031.13 = 2,006.33/x
  3. Step 3: Cross multiply
    6,686.51x = 10,031.13 × 2,006.33
  4. Step 4: Simplify right side
    6,686.51x = 20,125,706.90
  5. Step 5: Solve for x
    x = 20,125,706.90/6,686.51
  6. Step 6: Final answer
    x = 3,009.90

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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.