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Finding the Fourth Proportional to 33,671.69, 46,472.41 and 20,256.50

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Solution

The fourth proportional to 33,671.69, 46,472.41 and 20,256.50 is: 27,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,671.69 : 46,472.41 = 20,256.50 : x
  2. Step 2: Convert to fraction form
    33,671.69/46,472.41 = 20,256.50/x
  3. Step 3: Cross multiply
    33,671.69x = 46,472.41 × 20,256.50
  4. Step 4: Simplify right side
    33,671.69x = 941,368,438.70
  5. Step 5: Solve for x
    x = 941,368,438.70/33,671.69
  6. Step 6: Final answer
    x = 27,957.27

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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.