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Finding the Fourth Proportional to 3,482.33, 4,806.03 and 1,990.31

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Solution

The fourth proportional to 3,482.33, 4,806.03 and 1,990.31 is: 2,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.33 : 4,806.03 = 1,990.31 : x
  2. Step 2: Convert to fraction form
    3,482.33/4,806.03 = 1,990.31/x
  3. Step 3: Cross multiply
    3,482.33x = 4,806.03 × 1,990.31
  4. Step 4: Simplify right side
    3,482.33x = 9,565,473.00
  5. Step 5: Solve for x
    x = 9,565,473.00/3,482.33
  6. Step 6: Final answer
    x = 2,746.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.