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Finding the Fourth Proportional to 3,317.86, 4,976.82 and 1,009.36

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Solution

The fourth proportional to 3,317.86, 4,976.82 and 1,009.36 is: 1,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.86 : 4,976.82 = 1,009.36 : x
  2. Step 2: Convert to fraction form
    3,317.86/4,976.82 = 1,009.36/x
  3. Step 3: Cross multiply
    3,317.86x = 4,976.82 × 1,009.36
  4. Step 4: Simplify right side
    3,317.86x = 5,023,403.04
  5. Step 5: Solve for x
    x = 5,023,403.04/3,317.86
  6. Step 6: Final answer
    x = 1,514.05

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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.