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Finding the Fourth Proportional to 2,705.96, 3,734.59 and 1,587.17

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Solution

The fourth proportional to 2,705.96, 3,734.59 and 1,587.17 is: 2,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.96 : 3,734.59 = 1,587.17 : x
  2. Step 2: Convert to fraction form
    2,705.96/3,734.59 = 1,587.17/x
  3. Step 3: Cross multiply
    2,705.96x = 3,734.59 × 1,587.17
  4. Step 4: Simplify right side
    2,705.96x = 5,927,429.21
  5. Step 5: Solve for x
    x = 5,927,429.21/2,705.96
  6. Step 6: Final answer
    x = 2,190.51

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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.