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Finding the Fourth Proportional to 2,655.34, 3,977.21 and 2,423.27

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Solution

The fourth proportional to 2,655.34, 3,977.21 and 2,423.27 is: 3,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.34 : 3,977.21 = 2,423.27 : x
  2. Step 2: Convert to fraction form
    2,655.34/3,977.21 = 2,423.27/x
  3. Step 3: Cross multiply
    2,655.34x = 3,977.21 × 2,423.27
  4. Step 4: Simplify right side
    2,655.34x = 9,637,869.68
  5. Step 5: Solve for x
    x = 9,637,869.68/2,655.34
  6. Step 6: Final answer
    x = 3,629.62

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Why These Related Problems?

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