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Finding the Fourth Proportional to 11,457.86, 17,193.08 and 4,799.13

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Solution

The fourth proportional to 11,457.86, 17,193.08 and 4,799.13 is: 7,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.86 : 17,193.08 = 4,799.13 : x
  2. Step 2: Convert to fraction form
    11,457.86/17,193.08 = 4,799.13/x
  3. Step 3: Cross multiply
    11,457.86x = 17,193.08 × 4,799.13
  4. Step 4: Simplify right side
    11,457.86x = 82,511,838.02
  5. Step 5: Solve for x
    x = 82,511,838.02/11,457.86
  6. Step 6: Final answer
    x = 7,201.33

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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.