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Finding the Fourth Proportional to 22,137.84, 33,199.02 and 7,342.79

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Solution

The fourth proportional to 22,137.84, 33,199.02 and 7,342.79 is: 11,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.84 : 33,199.02 = 7,342.79 : x
  2. Step 2: Convert to fraction form
    22,137.84/33,199.02 = 7,342.79/x
  3. Step 3: Cross multiply
    22,137.84x = 33,199.02 × 7,342.79
  4. Step 4: Simplify right side
    22,137.84x = 243,773,266.07
  5. Step 5: Solve for x
    x = 243,773,266.07/22,137.84
  6. Step 6: Final answer
    x = 11,011.61

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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.