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Finding the Fourth Proportional to 36,490.46, 50,356.80 and 19,723.46

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Solution

The fourth proportional to 36,490.46, 50,356.80 and 19,723.46 is: 27,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.46 : 50,356.80 = 19,723.46 : x
  2. Step 2: Convert to fraction form
    36,490.46/50,356.80 = 19,723.46/x
  3. Step 3: Cross multiply
    36,490.46x = 50,356.80 × 19,723.46
  4. Step 4: Simplify right side
    36,490.46x = 993,210,078.74
  5. Step 5: Solve for x
    x = 993,210,078.74/36,490.46
  6. Step 6: Final answer
    x = 27,218.35

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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.