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Finding the Fourth Proportional to 2,090.09, 3,134.02 and 702.96

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Solution

The fourth proportional to 2,090.09, 3,134.02 and 702.96 is: 1,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.09 : 3,134.02 = 702.96 : x
  2. Step 2: Convert to fraction form
    2,090.09/3,134.02 = 702.96/x
  3. Step 3: Cross multiply
    2,090.09x = 3,134.02 × 702.96
  4. Step 4: Simplify right side
    2,090.09x = 2,203,096.78
  5. Step 5: Solve for x
    x = 2,203,096.78/2,090.09
  6. Step 6: Final answer
    x = 1,054.07

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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.