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Finding the Fourth Proportional to 15,679.23, 23,524.97 and 6,907.97

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Solution

The fourth proportional to 15,679.23, 23,524.97 and 6,907.97 is: 10,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.23 : 23,524.97 = 6,907.97 : x
  2. Step 2: Convert to fraction form
    15,679.23/23,524.97 = 6,907.97/x
  3. Step 3: Cross multiply
    15,679.23x = 23,524.97 × 6,907.97
  4. Step 4: Simplify right side
    15,679.23x = 162,509,634.85
  5. Step 5: Solve for x
    x = 162,509,634.85/15,679.23
  6. Step 6: Final answer
    x = 10,364.64

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1.5x scale

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.