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Finding the Fourth Proportional to 2,487.67, 3,432.79 and 1,465.46

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Solution

The fourth proportional to 2,487.67, 3,432.79 and 1,465.46 is: 2,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.67 : 3,432.79 = 1,465.46 : x
  2. Step 2: Convert to fraction form
    2,487.67/3,432.79 = 1,465.46/x
  3. Step 3: Cross multiply
    2,487.67x = 3,432.79 × 1,465.46
  4. Step 4: Simplify right side
    2,487.67x = 5,030,616.43
  5. Step 5: Solve for x
    x = 5,030,616.43/2,487.67
  6. Step 6: Final answer
    x = 2,022.22

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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.