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Finding the Fourth Proportional to 22,049.44, 30,415.44 and 14,497.12

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Solution

The fourth proportional to 22,049.44, 30,415.44 and 14,497.12 is: 19,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,049.44 : 30,415.44 = 14,497.12 : x
  2. Step 2: Convert to fraction form
    22,049.44/30,415.44 = 14,497.12/x
  3. Step 3: Cross multiply
    22,049.44x = 30,415.44 × 14,497.12
  4. Step 4: Simplify right side
    22,049.44x = 440,936,283.53
  5. Step 5: Solve for x
    x = 440,936,283.53/22,049.44
  6. Step 6: Final answer
    x = 19,997.62

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Double scale
Find fourth proportional to 22,050.44, 30,416.82 and 14,498.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.