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Finding the Fourth Proportional to 2,382.23, 3,574.06 and 739.01

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Solution

The fourth proportional to 2,382.23, 3,574.06 and 739.01 is: 1,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.23 : 3,574.06 = 739.01 : x
  2. Step 2: Convert to fraction form
    2,382.23/3,574.06 = 739.01/x
  3. Step 3: Cross multiply
    2,382.23x = 3,574.06 × 739.01
  4. Step 4: Simplify right side
    2,382.23x = 2,641,273.17
  5. Step 5: Solve for x
    x = 2,641,273.17/2,382.23
  6. Step 6: Final answer
    x = 1,108.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.