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Finding the Fourth Proportional to 19,808.44, 29,695.38 and 9,933.88

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Solution

The fourth proportional to 19,808.44, 29,695.38 and 9,933.88 is: 14,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.44 : 29,695.38 = 9,933.88 : x
  2. Step 2: Convert to fraction form
    19,808.44/29,695.38 = 9,933.88/x
  3. Step 3: Cross multiply
    19,808.44x = 29,695.38 × 9,933.88
  4. Step 4: Simplify right side
    19,808.44x = 294,990,341.47
  5. Step 5: Solve for x
    x = 294,990,341.47/19,808.44
  6. Step 6: Final answer
    x = 14,892.15

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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.