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Finding the Fourth Proportional to 45,523.72, 68,649.88 and 44,900.42

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Solution

The fourth proportional to 45,523.72, 68,649.88 and 44,900.42 is: 67,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,523.72 : 68,649.88 = 44,900.42 : x
  2. Step 2: Convert to fraction form
    45,523.72/68,649.88 = 44,900.42/x
  3. Step 3: Cross multiply
    45,523.72x = 68,649.88 × 44,900.42
  4. Step 4: Simplify right side
    45,523.72x = 3,082,408,220.45
  5. Step 5: Solve for x
    x = 3,082,408,220.45/45,523.72
  6. Step 6: Final answer
    x = 67,709.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.