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Finding the Fourth Proportional to 80,019.34, 120,028.92 and 24,615.34

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Solution

The fourth proportional to 80,019.34, 120,028.92 and 24,615.34 is: 36,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,019.34 : 120,028.92 = 24,615.34 : x
  2. Step 2: Convert to fraction form
    80,019.34/120,028.92 = 24,615.34/x
  3. Step 3: Cross multiply
    80,019.34x = 120,028.92 × 24,615.34
  4. Step 4: Simplify right side
    80,019.34x = 2,954,552,675.63
  5. Step 5: Solve for x
    x = 2,954,552,675.63/80,019.34
  6. Step 6: Final answer
    x = 36,922.98

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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.