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Finding the Fourth Proportional to 2,012.32, 3,017.74 and 695.74

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Solution

The fourth proportional to 2,012.32, 3,017.74 and 695.74 is: 1,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.32 : 3,017.74 = 695.74 : x
  2. Step 2: Convert to fraction form
    2,012.32/3,017.74 = 695.74/x
  3. Step 3: Cross multiply
    2,012.32x = 3,017.74 × 695.74
  4. Step 4: Simplify right side
    2,012.32x = 2,099,562.43
  5. Step 5: Solve for x
    x = 2,099,562.43/2,012.32
  6. Step 6: Final answer
    x = 1,043.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.