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Finding the Fourth Proportional to 33,656.80, 46,449.84 and 20,232.40

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Solution

The fourth proportional to 33,656.80, 46,449.84 and 20,232.40 is: 27,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,656.80 : 46,449.84 = 20,232.40 : x
  2. Step 2: Convert to fraction form
    33,656.80/46,449.84 = 20,232.40/x
  3. Step 3: Cross multiply
    33,656.80x = 46,449.84 × 20,232.40
  4. Step 4: Simplify right side
    33,656.80x = 939,791,742.82
  5. Step 5: Solve for x
    x = 939,791,742.82/33,656.80
  6. Step 6: Final answer
    x = 27,922.79

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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.