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Finding the Fourth Proportional to 15,375.01, 23,069.80 and 9,147.33

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Solution

The fourth proportional to 15,375.01, 23,069.80 and 9,147.33 is: 13,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375.01 : 23,069.80 = 9,147.33 : x
  2. Step 2: Convert to fraction form
    15,375.01/23,069.80 = 9,147.33/x
  3. Step 3: Cross multiply
    15,375.01x = 23,069.80 × 9,147.33
  4. Step 4: Simplify right side
    15,375.01x = 211,026,958.29
  5. Step 5: Solve for x
    x = 211,026,958.29/15,375.01
  6. Step 6: Final answer
    x = 13,725.32

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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.