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Finding the Fourth Proportional to 15,403.72, 23,107.74 and 5,013.04

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Solution

The fourth proportional to 15,403.72, 23,107.74 and 5,013.04 is: 7,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.72 : 23,107.74 = 5,013.04 : x
  2. Step 2: Convert to fraction form
    15,403.72/23,107.74 = 5,013.04/x
  3. Step 3: Cross multiply
    15,403.72x = 23,107.74 × 5,013.04
  4. Step 4: Simplify right side
    15,403.72x = 115,840,024.93
  5. Step 5: Solve for x
    x = 115,840,024.93/15,403.72
  6. Step 6: Final answer
    x = 7,520.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.