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Finding the Fourth Proportional to 36,490.53, 50,356.98 and 19,723.53

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Solution

The fourth proportional to 36,490.53, 50,356.98 and 19,723.53 is: 27,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.53 : 50,356.98 = 19,723.53 : x
  2. Step 2: Convert to fraction form
    36,490.53/50,356.98 = 19,723.53/x
  3. Step 3: Cross multiply
    36,490.53x = 50,356.98 × 19,723.53
  4. Step 4: Simplify right side
    36,490.53x = 993,217,405.74
  5. Step 5: Solve for x
    x = 993,217,405.74/36,490.53
  6. Step 6: Final answer
    x = 27,218.50

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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.