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Finding the Fourth Proportional to 23,391.64, 32,302.02 and 15,022.72

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Solution

The fourth proportional to 23,391.64, 32,302.02 and 15,022.72 is: 20,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,391.64 : 32,302.02 = 15,022.72 : x
  2. Step 2: Convert to fraction form
    23,391.64/32,302.02 = 15,022.72/x
  3. Step 3: Cross multiply
    23,391.64x = 32,302.02 × 15,022.72
  4. Step 4: Simplify right side
    23,391.64x = 485,264,201.89
  5. Step 5: Solve for x
    x = 485,264,201.89/23,391.64
  6. Step 6: Final answer
    x = 20,745.20

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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.