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Finding the Fourth Proportional to 50,469.70, 75,621.12 and 35,653.18

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Solution

The fourth proportional to 50,469.70, 75,621.12 and 35,653.18 is: 53,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,469.70 : 75,621.12 = 35,653.18 : x
  2. Step 2: Convert to fraction form
    50,469.70/75,621.12 = 35,653.18/x
  3. Step 3: Cross multiply
    50,469.70x = 75,621.12 × 35,653.18
  4. Step 4: Simplify right side
    50,469.70x = 2,696,133,403.16
  5. Step 5: Solve for x
    x = 2,696,133,403.16/50,469.70
  6. Step 6: Final answer
    x = 53,420.83

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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.