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Finding the Fourth Proportional to 33,076.84, 45,650.02 and 18,929.38

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Solution

The fourth proportional to 33,076.84, 45,650.02 and 18,929.38 is: 26,124.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,076.84 : 45,650.02 = 18,929.38 : x
  2. Step 2: Convert to fraction form
    33,076.84/45,650.02 = 18,929.38/x
  3. Step 3: Cross multiply
    33,076.84x = 45,650.02 × 18,929.38
  4. Step 4: Simplify right side
    33,076.84x = 864,126,575.59
  5. Step 5: Solve for x
    x = 864,126,575.59/33,076.84
  6. Step 6: Final answer
    x = 26,124.82

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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.