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Finding the Fourth Proportional to 36,749.41, 50,712.70 and 21,642.71

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Solution

The fourth proportional to 36,749.41, 50,712.70 and 21,642.71 is: 29,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,749.41 : 50,712.70 = 21,642.71 : x
  2. Step 2: Convert to fraction form
    36,749.41/50,712.70 = 21,642.71/x
  3. Step 3: Cross multiply
    36,749.41x = 50,712.70 × 21,642.71
  4. Step 4: Simplify right side
    36,749.41x = 1,097,560,259.42
  5. Step 5: Solve for x
    x = 1,097,560,259.42/36,749.41
  6. Step 6: Final answer
    x = 29,866.06

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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.