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Finding the Fourth Proportional to 36,443.58, 50,274.95 and 21,326.97

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Solution

The fourth proportional to 36,443.58, 50,274.95 and 21,326.97 is: 29,421.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,443.58 : 50,274.95 = 21,326.97 : x
  2. Step 2: Convert to fraction form
    36,443.58/50,274.95 = 21,326.97/x
  3. Step 3: Cross multiply
    36,443.58x = 50,274.95 × 21,326.97
  4. Step 4: Simplify right side
    36,443.58x = 1,072,212,350.40
  5. Step 5: Solve for x
    x = 1,072,212,350.40/36,443.58
  6. Step 6: Final answer
    x = 29,421.16

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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.