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Finding the Fourth Proportional to 4,899.99, 6,761.93 and 2,661.82

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Solution

The fourth proportional to 4,899.99, 6,761.93 and 2,661.82 is: 3,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.99 : 6,761.93 = 2,661.82 : x
  2. Step 2: Convert to fraction form
    4,899.99/6,761.93 = 2,661.82/x
  3. Step 3: Cross multiply
    4,899.99x = 6,761.93 × 2,661.82
  4. Step 4: Simplify right side
    4,899.99x = 17,999,030.03
  5. Step 5: Solve for x
    x = 17,999,030.03/4,899.99
  6. Step 6: Final answer
    x = 3,673.28

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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.