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Finding the Fourth Proportional to 50,647.20, 75,970.80 and 34,900.80

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Solution

The fourth proportional to 50,647.20, 75,970.80 and 34,900.80 is: 52,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,647.20 : 75,970.80 = 34,900.80 : x
  2. Step 2: Convert to fraction form
    50,647.20/75,970.80 = 34,900.80/x
  3. Step 3: Cross multiply
    50,647.20x = 75,970.80 × 34,900.80
  4. Step 4: Simplify right side
    50,647.20x = 2,651,441,696.64
  5. Step 5: Solve for x
    x = 2,651,441,696.64/50,647.20
  6. Step 6: Final answer
    x = 52,351.20

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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.