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Finding the Fourth Proportional to 2,606.68, 3,906.18 and 2,030.68

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Solution

The fourth proportional to 2,606.68, 3,906.18 and 2,030.68 is: 3,043.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.68 : 3,906.18 = 2,030.68 : x
  2. Step 2: Convert to fraction form
    2,606.68/3,906.18 = 2,030.68/x
  3. Step 3: Cross multiply
    2,606.68x = 3,906.18 × 2,030.68
  4. Step 4: Simplify right side
    2,606.68x = 7,932,201.60
  5. Step 5: Solve for x
    x = 7,932,201.60/2,606.68
  6. Step 6: Final answer
    x = 3,043.03

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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.