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Finding the Fourth Proportional to 2,642.34, 3,646.63 and 1,463.52

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Solution

The fourth proportional to 2,642.34, 3,646.63 and 1,463.52 is: 2,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.34 : 3,646.63 = 1,463.52 : x
  2. Step 2: Convert to fraction form
    2,642.34/3,646.63 = 1,463.52/x
  3. Step 3: Cross multiply
    2,642.34x = 3,646.63 × 1,463.52
  4. Step 4: Simplify right side
    2,642.34x = 5,336,897.70
  5. Step 5: Solve for x
    x = 5,336,897.70/2,642.34
  6. Step 6: Final answer
    x = 2,019.77

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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.