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Finding the Fourth Proportional to 36,697.56, 50,642.73 and 21,590.79

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Solution

The fourth proportional to 36,697.56, 50,642.73 and 21,590.79 is: 29,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,697.56 : 50,642.73 = 21,590.79 : x
  2. Step 2: Convert to fraction form
    36,697.56/50,642.73 = 21,590.79/x
  3. Step 3: Cross multiply
    36,697.56x = 50,642.73 × 21,590.79
  4. Step 4: Simplify right side
    36,697.56x = 1,093,416,548.46
  5. Step 5: Solve for x
    x = 1,093,416,548.46/36,697.56
  6. Step 6: Final answer
    x = 29,795.35

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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.