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Finding the Fourth Proportional to 38,008.44, 52,453.98 and 21,241.44

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Solution

The fourth proportional to 38,008.44, 52,453.98 and 21,241.44 is: 29,314.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,008.44 : 52,453.98 = 21,241.44 : x
  2. Step 2: Convert to fraction form
    38,008.44/52,453.98 = 21,241.44/x
  3. Step 3: Cross multiply
    38,008.44x = 52,453.98 × 21,241.44
  4. Step 4: Simplify right side
    38,008.44x = 1,114,198,068.93
  5. Step 5: Solve for x
    x = 1,114,198,068.93/38,008.44
  6. Step 6: Final answer
    x = 29,314.49

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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.