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Finding the Fourth Proportional to 2,888.82, 4,333.26 and 1,039.86

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Solution

The fourth proportional to 2,888.82, 4,333.26 and 1,039.86 is: 1,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.82 : 4,333.26 = 1,039.86 : x
  2. Step 2: Convert to fraction form
    2,888.82/4,333.26 = 1,039.86/x
  3. Step 3: Cross multiply
    2,888.82x = 4,333.26 × 1,039.86
  4. Step 4: Simplify right side
    2,888.82x = 4,505,983.74
  5. Step 5: Solve for x
    x = 4,505,983.74/2,888.82
  6. Step 6: Final answer
    x = 1,559.80

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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.