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Finding the Fourth Proportional to 23,548.56, 32,497.11 and 12,938.40

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Solution

The fourth proportional to 23,548.56, 32,497.11 and 12,938.40 is: 17,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,548.56 : 32,497.11 = 12,938.40 : x
  2. Step 2: Convert to fraction form
    23,548.56/32,497.11 = 12,938.40/x
  3. Step 3: Cross multiply
    23,548.56x = 32,497.11 × 12,938.40
  4. Step 4: Simplify right side
    23,548.56x = 420,460,608.02
  5. Step 5: Solve for x
    x = 420,460,608.02/23,548.56
  6. Step 6: Final answer
    x = 17,855.05

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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.