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Finding the Fourth Proportional to 33,926.88, 46,813.02 and 20,489.10

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Solution

The fourth proportional to 33,926.88, 46,813.02 and 20,489.10 is: 28,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,926.88 : 46,813.02 = 20,489.10 : x
  2. Step 2: Convert to fraction form
    33,926.88/46,813.02 = 20,489.10/x
  3. Step 3: Cross multiply
    33,926.88x = 46,813.02 × 20,489.10
  4. Step 4: Simplify right side
    33,926.88x = 959,156,648.08
  5. Step 5: Solve for x
    x = 959,156,648.08/33,926.88
  6. Step 6: Final answer
    x = 28,271.29

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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.