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Finding the Fourth Proportional to 18,458.01, 27,669.96 and 7,362

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Solution

The fourth proportional to 18,458.01, 27,669.96 and 7,362 is: 11,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.01 : 27,669.96 = 7,362 : x
  2. Step 2: Convert to fraction form
    18,458.01/27,669.96 = 7,362/x
  3. Step 3: Cross multiply
    18,458.01x = 27,669.96 × 7,362
  4. Step 4: Simplify right side
    18,458.01x = 203,706,245.52
  5. Step 5: Solve for x
    x = 203,706,245.52/18,458.01
  6. Step 6: Final answer
    x = 11,036.20

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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.