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Finding the Fourth Proportional to 2,697.24, 3,721.32 and 2,068.32

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Solution

The fourth proportional to 2,697.24, 3,721.32 and 2,068.32 is: 2,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.24 : 3,721.32 = 2,068.32 : x
  2. Step 2: Convert to fraction form
    2,697.24/3,721.32 = 2,068.32/x
  3. Step 3: Cross multiply
    2,697.24x = 3,721.32 × 2,068.32
  4. Step 4: Simplify right side
    2,697.24x = 7,696,880.58
  5. Step 5: Solve for x
    x = 7,696,880.58/2,697.24
  6. Step 6: Final answer
    x = 2,853.61

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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.