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Finding the Fourth Proportional to 36,706.37, 50,664.80 and 21,603.88

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Solution

The fourth proportional to 36,706.37, 50,664.80 and 21,603.88 is: 29,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,706.37 : 50,664.80 = 21,603.88 : x
  2. Step 2: Convert to fraction form
    36,706.37/50,664.80 = 21,603.88/x
  3. Step 3: Cross multiply
    36,706.37x = 50,664.80 × 21,603.88
  4. Step 4: Simplify right side
    36,706.37x = 1,094,555,898.08
  5. Step 5: Solve for x
    x = 1,094,555,898.08/36,706.37
  6. Step 6: Final answer
    x = 29,819.24

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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.