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Finding the Fourth Proportional to 29,649.26, 40,926.42 and 18,327.44

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Solution

The fourth proportional to 29,649.26, 40,926.42 and 18,327.44 is: 25,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,649.26 : 40,926.42 = 18,327.44 : x
  2. Step 2: Convert to fraction form
    29,649.26/40,926.42 = 18,327.44/x
  3. Step 3: Cross multiply
    29,649.26x = 40,926.42 × 18,327.44
  4. Step 4: Simplify right side
    29,649.26x = 750,076,506.96
  5. Step 5: Solve for x
    x = 750,076,506.96/29,649.26
  6. Step 6: Final answer
    x = 25,298.32

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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.