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Finding the Fourth Proportional to 33,635.88, 46,439.88 and 20,908.08

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Solution

The fourth proportional to 33,635.88, 46,439.88 and 20,908.08 is: 28,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,635.88 : 46,439.88 = 20,908.08 : x
  2. Step 2: Convert to fraction form
    33,635.88/46,439.88 = 20,908.08/x
  3. Step 3: Cross multiply
    33,635.88x = 46,439.88 × 20,908.08
  4. Step 4: Simplify right side
    33,635.88x = 970,968,726.23
  5. Step 5: Solve for x
    x = 970,968,726.23/33,635.88
  6. Step 6: Final answer
    x = 28,867.05

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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.