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Finding the Fourth Proportional to 33,403.80, 50,037.64 and 15,820.32

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Solution

The fourth proportional to 33,403.80, 50,037.64 and 15,820.32 is: 23,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,403.80 : 50,037.64 = 15,820.32 : x
  2. Step 2: Convert to fraction form
    33,403.80/50,037.64 = 15,820.32/x
  3. Step 3: Cross multiply
    33,403.80x = 50,037.64 × 15,820.32
  4. Step 4: Simplify right side
    33,403.80x = 791,611,476.84
  5. Step 5: Solve for x
    x = 791,611,476.84/33,403.80
  6. Step 6: Final answer
    x = 23,698.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.