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Finding the Fourth Proportional to 11,693.79, 17,541.80 and 4,298.39

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Solution

The fourth proportional to 11,693.79, 17,541.80 and 4,298.39 is: 6,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.79 : 17,541.80 = 4,298.39 : x
  2. Step 2: Convert to fraction form
    11,693.79/17,541.80 = 4,298.39/x
  3. Step 3: Cross multiply
    11,693.79x = 17,541.80 × 4,298.39
  4. Step 4: Simplify right side
    11,693.79x = 75,401,388.50
  5. Step 5: Solve for x
    x = 75,401,388.50/11,693.79
  6. Step 6: Final answer
    x = 6,447.99

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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.