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Finding the Fourth Proportional to 50,866.74, 70,200.36 and 28,212.84

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Solution

The fourth proportional to 50,866.74, 70,200.36 and 28,212.84 is: 38,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,866.74 : 70,200.36 = 28,212.84 : x
  2. Step 2: Convert to fraction form
    50,866.74/70,200.36 = 28,212.84/x
  3. Step 3: Cross multiply
    50,866.74x = 70,200.36 × 28,212.84
  4. Step 4: Simplify right side
    50,866.74x = 1,980,551,524.62
  5. Step 5: Solve for x
    x = 1,980,551,524.62/50,866.74
  6. Step 6: Final answer
    x = 38,936.08

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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.