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Finding the Fourth Proportional to 50,647.68, 75,949.50 and 19,461

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Solution

The fourth proportional to 50,647.68, 75,949.50 and 19,461 is: 29,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,647.68 : 75,949.50 = 19,461 : x
  2. Step 2: Convert to fraction form
    50,647.68/75,949.50 = 19,461/x
  3. Step 3: Cross multiply
    50,647.68x = 75,949.50 × 19,461
  4. Step 4: Simplify right side
    50,647.68x = 1,478,053,219.50
  5. Step 5: Solve for x
    x = 1,478,053,219.50/50,647.68
  6. Step 6: Final answer
    x = 29,183.04

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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.