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Finding the Fourth Proportional to 1,622.27, 2,237.95 and 1,062.49

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Solution

The fourth proportional to 1,622.27, 2,237.95 and 1,062.49 is: 1,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.27 : 2,237.95 = 1,062.49 : x
  2. Step 2: Convert to fraction form
    1,622.27/2,237.95 = 1,062.49/x
  3. Step 3: Cross multiply
    1,622.27x = 2,237.95 × 1,062.49
  4. Step 4: Simplify right side
    1,622.27x = 2,377,799.50
  5. Step 5: Solve for x
    x = 2,377,799.50/1,622.27
  6. Step 6: Final answer
    x = 1,465.72

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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.