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Finding the Fourth Proportional to 36,366.17, 50,186 and 21,260.12

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Solution

The fourth proportional to 36,366.17, 50,186 and 21,260.12 is: 29,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,366.17 : 50,186 = 21,260.12 : x
  2. Step 2: Convert to fraction form
    36,366.17/50,186 = 21,260.12/x
  3. Step 3: Cross multiply
    36,366.17x = 50,186 × 21,260.12
  4. Step 4: Simplify right side
    36,366.17x = 1,066,960,382.32
  5. Step 5: Solve for x
    x = 1,066,960,382.32/36,366.17
  6. Step 6: Final answer
    x = 29,339.37

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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.