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Finding the Fourth Proportional to 19,935, 29,892.63 and 11,617.11

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Solution

The fourth proportional to 19,935, 29,892.63 and 11,617.11 is: 17,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935 : 29,892.63 = 11,617.11 : x
  2. Step 2: Convert to fraction form
    19,935/29,892.63 = 11,617.11/x
  3. Step 3: Cross multiply
    19,935x = 29,892.63 × 11,617.11
  4. Step 4: Simplify right side
    19,935x = 347,265,970.90
  5. Step 5: Solve for x
    x = 347,265,970.90/19,935
  6. Step 6: Final answer
    x = 17,419.91

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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.