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Finding the Fourth Proportional to 50,649.60, 75,974.40 and 47,193.60

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Solution

The fourth proportional to 50,649.60, 75,974.40 and 47,193.60 is: 70,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,649.60 : 75,974.40 = 47,193.60 : x
  2. Step 2: Convert to fraction form
    50,649.60/75,974.40 = 47,193.60/x
  3. Step 3: Cross multiply
    50,649.60x = 75,974.40 × 47,193.60
  4. Step 4: Simplify right side
    50,649.60x = 3,585,505,443.84
  5. Step 5: Solve for x
    x = 3,585,505,443.84/50,649.60
  6. Step 6: Final answer
    x = 70,790.40

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Similar ratio
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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.