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Finding the Fourth Proportional to 18,336, 27,504.04 and 6,649.25

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Solution

The fourth proportional to 18,336, 27,504.04 and 6,649.25 is: 9,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336 : 27,504.04 = 6,649.25 : x
  2. Step 2: Convert to fraction form
    18,336/27,504.04 = 6,649.25/x
  3. Step 3: Cross multiply
    18,336x = 27,504.04 × 6,649.25
  4. Step 4: Simplify right side
    18,336x = 182,881,290.11
  5. Step 5: Solve for x
    x = 182,881,290.11/18,336
  6. Step 6: Final answer
    x = 9,973.89

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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.