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Finding the Fourth Proportional to 2,699.76, 4,054.26 and 1,610.94

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Solution

The fourth proportional to 2,699.76, 4,054.26 and 1,610.94 is: 2,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.76 : 4,054.26 = 1,610.94 : x
  2. Step 2: Convert to fraction form
    2,699.76/4,054.26 = 1,610.94/x
  3. Step 3: Cross multiply
    2,699.76x = 4,054.26 × 1,610.94
  4. Step 4: Simplify right side
    2,699.76x = 6,531,169.60
  5. Step 5: Solve for x
    x = 6,531,169.60/2,699.76
  6. Step 6: Final answer
    x = 2,419.17

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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.