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Finding the Fourth Proportional to 12,324.93, 18,492.05 and 7,398.00

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Solution

The fourth proportional to 12,324.93, 18,492.05 and 7,398.00 is: 11,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.93 : 18,492.05 = 7,398.00 : x
  2. Step 2: Convert to fraction form
    12,324.93/18,492.05 = 7,398.00/x
  3. Step 3: Cross multiply
    12,324.93x = 18,492.05 × 7,398.00
  4. Step 4: Simplify right side
    12,324.93x = 136,804,273.74
  5. Step 5: Solve for x
    x = 136,804,273.74/12,324.93
  6. Step 6: Final answer
    x = 11,099.80

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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.