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Finding the Fourth Proportional to 2,632.04, 3,948 and 684.26

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Solution

The fourth proportional to 2,632.04, 3,948 and 684.26 is: 1,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.04 : 3,948 = 684.26 : x
  2. Step 2: Convert to fraction form
    2,632.04/3,948 = 684.26/x
  3. Step 3: Cross multiply
    2,632.04x = 3,948 × 684.26
  4. Step 4: Simplify right side
    2,632.04x = 2,701,458.48
  5. Step 5: Solve for x
    x = 2,701,458.48/2,632.04
  6. Step 6: Final answer
    x = 1,026.37

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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.