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Finding the Fourth Proportional to 2,980.33, 4,470.84 and 1,132.83

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Solution

The fourth proportional to 2,980.33, 4,470.84 and 1,132.83 is: 1,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.33 : 4,470.84 = 1,132.83 : x
  2. Step 2: Convert to fraction form
    2,980.33/4,470.84 = 1,132.83/x
  3. Step 3: Cross multiply
    2,980.33x = 4,470.84 × 1,132.83
  4. Step 4: Simplify right side
    2,980.33x = 5,064,701.68
  5. Step 5: Solve for x
    x = 5,064,701.68/2,980.33
  6. Step 6: Final answer
    x = 1,699.38

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