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Finding the Fourth Proportional to 50,391.56, 75,600.30 and 19,229.24

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Solution

The fourth proportional to 50,391.56, 75,600.30 and 19,229.24 is: 28,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,391.56 : 75,600.30 = 19,229.24 : x
  2. Step 2: Convert to fraction form
    50,391.56/75,600.30 = 19,229.24/x
  3. Step 3: Cross multiply
    50,391.56x = 75,600.30 × 19,229.24
  4. Step 4: Simplify right side
    50,391.56x = 1,453,736,312.77
  5. Step 5: Solve for x
    x = 1,453,736,312.77/50,391.56
  6. Step 6: Final answer
    x = 28,848.81

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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.