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Finding the Fourth Proportional to 50,903.58, 70,255.37 and 28,249.85

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Solution

The fourth proportional to 50,903.58, 70,255.37 and 28,249.85 is: 38,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,903.58 : 70,255.37 = 28,249.85 : x
  2. Step 2: Convert to fraction form
    50,903.58/70,255.37 = 28,249.85/x
  3. Step 3: Cross multiply
    50,903.58x = 70,255.37 × 28,249.85
  4. Step 4: Simplify right side
    50,903.58x = 1,984,703,664.19
  5. Step 5: Solve for x
    x = 1,984,703,664.19/50,903.58
  6. Step 6: Final answer
    x = 38,989.47

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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.