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Finding the Fourth Proportional to 2,679.94, 3,699.12 and 1,632.52

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Solution

The fourth proportional to 2,679.94, 3,699.12 and 1,632.52 is: 2,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.94 : 3,699.12 = 1,632.52 : x
  2. Step 2: Convert to fraction form
    2,679.94/3,699.12 = 1,632.52/x
  3. Step 3: Cross multiply
    2,679.94x = 3,699.12 × 1,632.52
  4. Step 4: Simplify right side
    2,679.94x = 6,038,887.38
  5. Step 5: Solve for x
    x = 6,038,887.38/2,679.94
  6. Step 6: Final answer
    x = 2,253.37

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Why These Related Problems?

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