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Finding the Fourth Proportional to 9,468, 14,203.68 and 3,918.33

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Solution

The fourth proportional to 9,468, 14,203.68 and 3,918.33 is: 5,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,468 : 14,203.68 = 3,918.33 : x
  2. Step 2: Convert to fraction form
    9,468/14,203.68 = 3,918.33/x
  3. Step 3: Cross multiply
    9,468x = 14,203.68 × 3,918.33
  4. Step 4: Simplify right side
    9,468x = 55,654,705.45
  5. Step 5: Solve for x
    x = 55,654,705.45/9,468
  6. Step 6: Final answer
    x = 5,878.19

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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.