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Finding the Fourth Proportional to 29,563.63, 40,797.87 and 18,967.61

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Solution

The fourth proportional to 29,563.63, 40,797.87 and 18,967.61 is: 26,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,563.63 : 40,797.87 = 18,967.61 : x
  2. Step 2: Convert to fraction form
    29,563.63/40,797.87 = 18,967.61/x
  3. Step 3: Cross multiply
    29,563.63x = 40,797.87 × 18,967.61
  4. Step 4: Simplify right side
    29,563.63x = 773,838,086.99
  5. Step 5: Solve for x
    x = 773,838,086.99/29,563.63
  6. Step 6: Final answer
    x = 26,175.34

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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.