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Finding the Fourth Proportional to 30,287.84, 41,797.44 and 16,859.66

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Solution

The fourth proportional to 30,287.84, 41,797.44 and 16,859.66 is: 23,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,287.84 : 41,797.44 = 16,859.66 : x
  2. Step 2: Convert to fraction form
    30,287.84/41,797.44 = 16,859.66/x
  3. Step 3: Cross multiply
    30,287.84x = 41,797.44 × 16,859.66
  4. Step 4: Simplify right side
    30,287.84x = 704,690,627.27
  5. Step 5: Solve for x
    x = 704,690,627.27/30,287.84
  6. Step 6: Final answer
    x = 23,266.45

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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.