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Finding the Fourth Proportional to 2,068.90, 2,859.18 and 1,695.30

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Solution

The fourth proportional to 2,068.90, 2,859.18 and 1,695.30 is: 2,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.90 : 2,859.18 = 1,695.30 : x
  2. Step 2: Convert to fraction form
    2,068.90/2,859.18 = 1,695.30/x
  3. Step 3: Cross multiply
    2,068.90x = 2,859.18 × 1,695.30
  4. Step 4: Simplify right side
    2,068.90x = 4,847,167.85
  5. Step 5: Solve for x
    x = 4,847,167.85/2,068.90
  6. Step 6: Final answer
    x = 2,342.87

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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.