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Finding the Fourth Proportional to 8,483.40, 12,726.04 and 2,937.24

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Solution

The fourth proportional to 8,483.40, 12,726.04 and 2,937.24 is: 4,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.40 : 12,726.04 = 2,937.24 : x
  2. Step 2: Convert to fraction form
    8,483.40/12,726.04 = 2,937.24/x
  3. Step 3: Cross multiply
    8,483.40x = 12,726.04 × 2,937.24
  4. Step 4: Simplify right side
    8,483.40x = 37,379,433.73
  5. Step 5: Solve for x
    x = 37,379,433.73/8,483.40
  6. Step 6: Final answer
    x = 4,406.19

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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.