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Finding the Fourth Proportional to 23,419.58, 32,318.62 and 12,808.99

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Solution

The fourth proportional to 23,419.58, 32,318.62 and 12,808.99 is: 17,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,419.58 : 32,318.62 = 12,808.99 : x
  2. Step 2: Convert to fraction form
    23,419.58/32,318.62 = 12,808.99/x
  3. Step 3: Cross multiply
    23,419.58x = 32,318.62 × 12,808.99
  4. Step 4: Simplify right side
    23,419.58x = 413,968,743.00
  5. Step 5: Solve for x
    x = 413,968,743.00/23,419.58
  6. Step 6: Final answer
    x = 17,676.18

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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.