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Finding the Fourth Proportional to 29,486.45, 40,731.11 and 23,559.68

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Solution

The fourth proportional to 29,486.45, 40,731.11 and 23,559.68 is: 32,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,486.45 : 40,731.11 = 23,559.68 : x
  2. Step 2: Convert to fraction form
    29,486.45/40,731.11 = 23,559.68/x
  3. Step 3: Cross multiply
    29,486.45x = 40,731.11 × 23,559.68
  4. Step 4: Simplify right side
    29,486.45x = 959,611,596.19
  5. Step 5: Solve for x
    x = 959,611,596.19/29,486.45
  6. Step 6: Final answer
    x = 32,544.16

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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.