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Finding the Fourth Proportional to 3,111.58, 4,293.01 and 1,785.02

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Solution

The fourth proportional to 3,111.58, 4,293.01 and 1,785.02 is: 2,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.58 : 4,293.01 = 1,785.02 : x
  2. Step 2: Convert to fraction form
    3,111.58/4,293.01 = 1,785.02/x
  3. Step 3: Cross multiply
    3,111.58x = 4,293.01 × 1,785.02
  4. Step 4: Simplify right side
    3,111.58x = 7,663,134.25
  5. Step 5: Solve for x
    x = 7,663,134.25/3,111.58
  6. Step 6: Final answer
    x = 2,462.78

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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.