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Finding the Fourth Proportional to 2,632.72, 3,633.14 and 1,437.78

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Solution

The fourth proportional to 2,632.72, 3,633.14 and 1,437.78 is: 1,984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.72 : 3,633.14 = 1,437.78 : x
  2. Step 2: Convert to fraction form
    2,632.72/3,633.14 = 1,437.78/x
  3. Step 3: Cross multiply
    2,632.72x = 3,633.14 × 1,437.78
  4. Step 4: Simplify right side
    2,632.72x = 5,223,656.03
  5. Step 5: Solve for x
    x = 5,223,656.03/2,632.72
  6. Step 6: Final answer
    x = 1,984.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.