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Finding the Fourth Proportional to 7,090.66, 10,637.70 and 3,195.07

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Solution

The fourth proportional to 7,090.66, 10,637.70 and 3,195.07 is: 4,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.66 : 10,637.70 = 3,195.07 : x
  2. Step 2: Convert to fraction form
    7,090.66/10,637.70 = 3,195.07/x
  3. Step 3: Cross multiply
    7,090.66x = 10,637.70 × 3,195.07
  4. Step 4: Simplify right side
    7,090.66x = 33,988,214.44
  5. Step 5: Solve for x
    x = 33,988,214.44/7,090.66
  6. Step 6: Final answer
    x = 4,793.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.