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Finding the Fourth Proportional to 15,761.84, 23,650.07 and 6,408.27

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Solution

The fourth proportional to 15,761.84, 23,650.07 and 6,408.27 is: 9,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761.84 : 23,650.07 = 6,408.27 : x
  2. Step 2: Convert to fraction form
    15,761.84/23,650.07 = 6,408.27/x
  3. Step 3: Cross multiply
    15,761.84x = 23,650.07 × 6,408.27
  4. Step 4: Simplify right side
    15,761.84x = 151,556,002.04
  5. Step 5: Solve for x
    x = 151,556,002.04/15,761.84
  6. Step 6: Final answer
    x = 9,615.38

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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.