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Finding the Fourth Proportional to 29,452.44, 40,588.38 and 21,054.36

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Solution

The fourth proportional to 29,452.44, 40,588.38 and 21,054.36 is: 29,014.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,452.44 : 40,588.38 = 21,054.36 : x
  2. Step 2: Convert to fraction form
    29,452.44/40,588.38 = 21,054.36/x
  3. Step 3: Cross multiply
    29,452.44x = 40,588.38 × 21,054.36
  4. Step 4: Simplify right side
    29,452.44x = 854,562,364.34
  5. Step 5: Solve for x
    x = 854,562,364.34/29,452.44
  6. Step 6: Final answer
    x = 29,014.99

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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.