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Finding the Fourth Proportional to 36,705.87, 50,653.17 and 21,599.46

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Solution

The fourth proportional to 36,705.87, 50,653.17 and 21,599.46 is: 29,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,705.87 : 50,653.17 = 21,599.46 : x
  2. Step 2: Convert to fraction form
    36,705.87/50,653.17 = 21,599.46/x
  3. Step 3: Cross multiply
    36,705.87x = 50,653.17 × 21,599.46
  4. Step 4: Simplify right side
    36,705.87x = 1,094,081,119.29
  5. Step 5: Solve for x
    x = 1,094,081,119.29/36,705.87
  6. Step 6: Final answer
    x = 29,806.71

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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.