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Finding the Fourth Proportional to 50,586.60, 75,879.90 and 19,422.60

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Solution

The fourth proportional to 50,586.60, 75,879.90 and 19,422.60 is: 29,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,586.60 : 75,879.90 = 19,422.60 : x
  2. Step 2: Convert to fraction form
    50,586.60/75,879.90 = 19,422.60/x
  3. Step 3: Cross multiply
    50,586.60x = 75,879.90 × 19,422.60
  4. Step 4: Simplify right side
    50,586.60x = 1,473,784,945.74
  5. Step 5: Solve for x
    x = 1,473,784,945.74/50,586.60
  6. Step 6: Final answer
    x = 29,133.90

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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.