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Finding the Fourth Proportional to 36,495.45, 50,363.70 and 19,728.45

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Solution

The fourth proportional to 36,495.45, 50,363.70 and 19,728.45 is: 27,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,495.45 : 50,363.70 = 19,728.45 : x
  2. Step 2: Convert to fraction form
    36,495.45/50,363.70 = 19,728.45/x
  3. Step 3: Cross multiply
    36,495.45x = 50,363.70 × 19,728.45
  4. Step 4: Simplify right side
    36,495.45x = 993,597,737.27
  5. Step 5: Solve for x
    x = 993,597,737.27/36,495.45
  6. Step 6: Final answer
    x = 27,225.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.