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Finding the Fourth Proportional to 6,999.80, 10,493.01 and 4,924.58

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Solution

The fourth proportional to 6,999.80, 10,493.01 and 4,924.58 is: 7,382.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.80 : 10,493.01 = 4,924.58 : x
  2. Step 2: Convert to fraction form
    6,999.80/10,493.01 = 4,924.58/x
  3. Step 3: Cross multiply
    6,999.80x = 10,493.01 × 4,924.58
  4. Step 4: Simplify right side
    6,999.80x = 51,673,667.19
  5. Step 5: Solve for x
    x = 51,673,667.19/6,999.80
  6. Step 6: Final answer
    x = 7,382.16

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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.