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Finding the Fourth Proportional to 4,999.92, 7,497 and 2,080.32

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Solution

The fourth proportional to 4,999.92, 7,497 and 2,080.32 is: 3,119.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.92 : 7,497 = 2,080.32 : x
  2. Step 2: Convert to fraction form
    4,999.92/7,497 = 2,080.32/x
  3. Step 3: Cross multiply
    4,999.92x = 7,497 × 2,080.32
  4. Step 4: Simplify right side
    4,999.92x = 15,596,159.04
  5. Step 5: Solve for x
    x = 15,596,159.04/4,999.92
  6. Step 6: Final answer
    x = 3,119.28

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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.