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Finding the Fourth Proportional to 2,485.68, 3,727.68 and 1,004.51

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Solution

The fourth proportional to 2,485.68, 3,727.68 and 1,004.51 is: 1,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.68 : 3,727.68 = 1,004.51 : x
  2. Step 2: Convert to fraction form
    2,485.68/3,727.68 = 1,004.51/x
  3. Step 3: Cross multiply
    2,485.68x = 3,727.68 × 1,004.51
  4. Step 4: Simplify right side
    2,485.68x = 3,744,491.84
  5. Step 5: Solve for x
    x = 3,744,491.84/2,485.68
  6. Step 6: Final answer
    x = 1,506.43

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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.