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Finding the Fourth Proportional to 35,392.44, 48,838.86 and 20,284.92

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Solution

The fourth proportional to 35,392.44, 48,838.86 and 20,284.92 is: 27,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.44 : 48,838.86 = 20,284.92 : x
  2. Step 2: Convert to fraction form
    35,392.44/48,838.86 = 20,284.92/x
  3. Step 3: Cross multiply
    35,392.44x = 48,838.86 × 20,284.92
  4. Step 4: Simplify right side
    35,392.44x = 990,692,367.99
  5. Step 5: Solve for x
    x = 990,692,367.99/35,392.44
  6. Step 6: Final answer
    x = 27,991.64

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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.