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Finding the Fourth Proportional to 15,801.95, 23,693.75 and 7,481.89

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Solution

The fourth proportional to 15,801.95, 23,693.75 and 7,481.89 is: 11,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,801.95 : 23,693.75 = 7,481.89 : x
  2. Step 2: Convert to fraction form
    15,801.95/23,693.75 = 7,481.89/x
  3. Step 3: Cross multiply
    15,801.95x = 23,693.75 × 7,481.89
  4. Step 4: Simplify right side
    15,801.95x = 177,274,031.19
  5. Step 5: Solve for x
    x = 177,274,031.19/15,801.95
  6. Step 6: Final answer
    x = 11,218.49

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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.