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Finding the Fourth Proportional to 23,465.42, 32,383.10 and 12,855.05

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Solution

The fourth proportional to 23,465.42, 32,383.10 and 12,855.05 is: 17,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,465.42 : 32,383.10 = 12,855.05 : x
  2. Step 2: Convert to fraction form
    23,465.42/32,383.10 = 12,855.05/x
  3. Step 3: Cross multiply
    23,465.42x = 32,383.10 × 12,855.05
  4. Step 4: Simplify right side
    23,465.42x = 416,286,256.56
  5. Step 5: Solve for x
    x = 416,286,256.56/23,465.42
  6. Step 6: Final answer
    x = 17,740.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.