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Finding the Fourth Proportional to 19,892.60, 29,837.22 and 9,360.14

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Solution

The fourth proportional to 19,892.60, 29,837.22 and 9,360.14 is: 14,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.60 : 29,837.22 = 9,360.14 : x
  2. Step 2: Convert to fraction form
    19,892.60/29,837.22 = 9,360.14/x
  3. Step 3: Cross multiply
    19,892.60x = 29,837.22 × 9,360.14
  4. Step 4: Simplify right side
    19,892.60x = 279,280,556.41
  5. Step 5: Solve for x
    x = 279,280,556.41/19,892.60
  6. Step 6: Final answer
    x = 14,039.42

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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.