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Finding the Fourth Proportional to 2,653.71, 3,661.95 and 1,474.78

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Solution

The fourth proportional to 2,653.71, 3,661.95 and 1,474.78 is: 2,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.71 : 3,661.95 = 1,474.78 : x
  2. Step 2: Convert to fraction form
    2,653.71/3,661.95 = 1,474.78/x
  3. Step 3: Cross multiply
    2,653.71x = 3,661.95 × 1,474.78
  4. Step 4: Simplify right side
    2,653.71x = 5,400,573.79
  5. Step 5: Solve for x
    x = 5,400,573.79/2,653.71
  6. Step 6: Final answer
    x = 2,035.10

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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.