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Finding the Fourth Proportional to 4,584.97, 6,879.93 and 1,988.11

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Solution

The fourth proportional to 4,584.97, 6,879.93 and 1,988.11 is: 2,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584.97 : 6,879.93 = 1,988.11 : x
  2. Step 2: Convert to fraction form
    4,584.97/6,879.93 = 1,988.11/x
  3. Step 3: Cross multiply
    4,584.97x = 6,879.93 × 1,988.11
  4. Step 4: Simplify right side
    4,584.97x = 13,678,057.63
  5. Step 5: Solve for x
    x = 13,678,057.63/4,584.97
  6. Step 6: Final answer
    x = 2,983.24

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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.