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Finding the Fourth Proportional to 6,483.36, 9,726.32 and 2,379.68

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Solution

The fourth proportional to 6,483.36, 9,726.32 and 2,379.68 is: 3,569.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.36 : 9,726.32 = 2,379.68 : x
  2. Step 2: Convert to fraction form
    6,483.36/9,726.32 = 2,379.68/x
  3. Step 3: Cross multiply
    6,483.36x = 9,726.32 × 2,379.68
  4. Step 4: Simplify right side
    6,483.36x = 23,145,529.18
  5. Step 5: Solve for x
    x = 23,145,529.18/6,483.36
  6. Step 6: Final answer
    x = 3,569.99

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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.