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Finding the Fourth Proportional to 1,637.69, 2,271.23 and 1,499.29

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Solution

The fourth proportional to 1,637.69, 2,271.23 and 1,499.29 is: 2,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.69 : 2,271.23 = 1,499.29 : x
  2. Step 2: Convert to fraction form
    1,637.69/2,271.23 = 1,499.29/x
  3. Step 3: Cross multiply
    1,637.69x = 2,271.23 × 1,499.29
  4. Step 4: Simplify right side
    1,637.69x = 3,405,240.24
  5. Step 5: Solve for x
    x = 3,405,240.24/1,637.69
  6. Step 6: Final answer
    x = 2,079.30

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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.