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Finding the Fourth Proportional to 7,152.89, 10,715.49 and 4,023.38

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Solution

The fourth proportional to 7,152.89, 10,715.49 and 4,023.38 is: 6,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.89 : 10,715.49 = 4,023.38 : x
  2. Step 2: Convert to fraction form
    7,152.89/10,715.49 = 4,023.38/x
  3. Step 3: Cross multiply
    7,152.89x = 10,715.49 × 4,023.38
  4. Step 4: Simplify right side
    7,152.89x = 43,112,514.94
  5. Step 5: Solve for x
    x = 43,112,514.94/7,152.89
  6. Step 6: Final answer
    x = 6,027.29

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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.