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Finding the Fourth Proportional to 18,530.54, 27,801.00 and 7,445.01

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Solution

The fourth proportional to 18,530.54, 27,801.00 and 7,445.01 is: 11,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.54 : 27,801.00 = 7,445.01 : x
  2. Step 2: Convert to fraction form
    18,530.54/27,801.00 = 7,445.01/x
  3. Step 3: Cross multiply
    18,530.54x = 27,801.00 × 7,445.01
  4. Step 4: Simplify right side
    18,530.54x = 206,978,750.93
  5. Step 5: Solve for x
    x = 206,978,750.93/18,530.54
  6. Step 6: Final answer
    x = 11,169.60

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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.