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Finding the Fourth Proportional to 2,060.34, 3,090.51 and 906

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Solution

The fourth proportional to 2,060.34, 3,090.51 and 906 is: 1,359

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.34 : 3,090.51 = 906 : x
  2. Step 2: Convert to fraction form
    2,060.34/3,090.51 = 906/x
  3. Step 3: Cross multiply
    2,060.34x = 3,090.51 × 906
  4. Step 4: Simplify right side
    2,060.34x = 2,800,002.06
  5. Step 5: Solve for x
    x = 2,800,002.06/2,060.34
  6. Step 6: Final answer
    x = 1,359

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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.