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Finding the Fourth Proportional to 29,563.17, 40,797.13 and 21,080.05

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Solution

The fourth proportional to 29,563.17, 40,797.13 and 21,080.05 is: 29,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,563.17 : 40,797.13 = 21,080.05 : x
  2. Step 2: Convert to fraction form
    29,563.17/40,797.13 = 21,080.05/x
  3. Step 3: Cross multiply
    29,563.17x = 40,797.13 × 21,080.05
  4. Step 4: Simplify right side
    29,563.17x = 860,005,540.26
  5. Step 5: Solve for x
    x = 860,005,540.26/29,563.17
  6. Step 6: Final answer
    x = 29,090.44

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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.