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Finding the Fourth Proportional to 36,707.56, 50,656.56 and 21,600.80

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Solution

The fourth proportional to 36,707.56, 50,656.56 and 21,600.80 is: 29,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,707.56 : 50,656.56 = 21,600.80 : x
  2. Step 2: Convert to fraction form
    36,707.56/50,656.56 = 21,600.80/x
  3. Step 3: Cross multiply
    36,707.56x = 50,656.56 × 21,600.80
  4. Step 4: Simplify right side
    36,707.56x = 1,094,222,221.25
  5. Step 5: Solve for x
    x = 1,094,222,221.25/36,707.56
  6. Step 6: Final answer
    x = 29,809.18

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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.