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Finding the Fourth Proportional to 19,994.24, 29,997.51 and 14,449.51

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Solution

The fourth proportional to 19,994.24, 29,997.51 and 14,449.51 is: 21,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.24 : 29,997.51 = 14,449.51 : x
  2. Step 2: Convert to fraction form
    19,994.24/29,997.51 = 14,449.51/x
  3. Step 3: Cross multiply
    19,994.24x = 29,997.51 × 14,449.51
  4. Step 4: Simplify right side
    19,994.24x = 433,449,248.47
  5. Step 5: Solve for x
    x = 433,449,248.47/19,994.24
  6. Step 6: Final answer
    x = 21,678.71

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1.5x scale

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.