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Finding the Fourth Proportional to 4,940.65, 7,411.37 and 1,653.76

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Solution

The fourth proportional to 4,940.65, 7,411.37 and 1,653.76 is: 2,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.65 : 7,411.37 = 1,653.76 : x
  2. Step 2: Convert to fraction form
    4,940.65/7,411.37 = 1,653.76/x
  3. Step 3: Cross multiply
    4,940.65x = 7,411.37 × 1,653.76
  4. Step 4: Simplify right side
    4,940.65x = 12,256,581.93
  5. Step 5: Solve for x
    x = 12,256,581.93/4,940.65
  6. Step 6: Final answer
    x = 2,480.76

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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.