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Finding the Fourth Proportional to 50,356.34, 75,388.70 and 37,928.70

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Solution

The fourth proportional to 50,356.34, 75,388.70 and 37,928.70 is: 56,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,356.34 : 75,388.70 = 37,928.70 : x
  2. Step 2: Convert to fraction form
    50,356.34/75,388.70 = 37,928.70/x
  3. Step 3: Cross multiply
    50,356.34x = 75,388.70 × 37,928.70
  4. Step 4: Simplify right side
    50,356.34x = 2,859,395,385.69
  5. Step 5: Solve for x
    x = 2,859,395,385.69/50,356.34
  6. Step 6: Final answer
    x = 56,783.23

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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.