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Finding the Fourth Proportional to 35,326.33, 48,738.28 and 21,892.68

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Solution

The fourth proportional to 35,326.33, 48,738.28 and 21,892.68 is: 30,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,326.33 : 48,738.28 = 21,892.68 : x
  2. Step 2: Convert to fraction form
    35,326.33/48,738.28 = 21,892.68/x
  3. Step 3: Cross multiply
    35,326.33x = 48,738.28 × 21,892.68
  4. Step 4: Simplify right side
    35,326.33x = 1,067,011,567.79
  5. Step 5: Solve for x
    x = 1,067,011,567.79/35,326.33
  6. Step 6: Final answer
    x = 30,204.43

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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.