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Finding the Fourth Proportional to 50,572.37, 75,866.75 and 18,984.90

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Solution

The fourth proportional to 50,572.37, 75,866.75 and 18,984.90 is: 28,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,572.37 : 75,866.75 = 18,984.90 : x
  2. Step 2: Convert to fraction form
    50,572.37/75,866.75 = 18,984.90/x
  3. Step 3: Cross multiply
    50,572.37x = 75,866.75 × 18,984.90
  4. Step 4: Simplify right side
    50,572.37x = 1,440,322,567.15
  5. Step 5: Solve for x
    x = 1,440,322,567.15/50,572.37
  6. Step 6: Final answer
    x = 28,480.43

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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.