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Finding the Fourth Proportional to 2,930.91, 4,398.53 and 2,360.67

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Solution

The fourth proportional to 2,930.91, 4,398.53 and 2,360.67 is: 3,542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.91 : 4,398.53 = 2,360.67 : x
  2. Step 2: Convert to fraction form
    2,930.91/4,398.53 = 2,360.67/x
  3. Step 3: Cross multiply
    2,930.91x = 4,398.53 × 2,360.67
  4. Step 4: Simplify right side
    2,930.91x = 10,383,477.82
  5. Step 5: Solve for x
    x = 10,383,477.82/2,930.91
  6. Step 6: Final answer
    x = 3,542.75

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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.