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Finding the Fourth Proportional to 3,005.68, 4,147.56 and 1,746.72

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Solution

The fourth proportional to 3,005.68, 4,147.56 and 1,746.72 is: 2,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.68 : 4,147.56 = 1,746.72 : x
  2. Step 2: Convert to fraction form
    3,005.68/4,147.56 = 1,746.72/x
  3. Step 3: Cross multiply
    3,005.68x = 4,147.56 × 1,746.72
  4. Step 4: Simplify right side
    3,005.68x = 7,244,626.00
  5. Step 5: Solve for x
    x = 7,244,626.00/3,005.68
  6. Step 6: Final answer
    x = 2,410.31

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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.