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Finding the Fourth Proportional to 45,249.40, 67,874.10 and 44,277.40

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Solution

The fourth proportional to 45,249.40, 67,874.10 and 44,277.40 is: 66,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,249.40 : 67,874.10 = 44,277.40 : x
  2. Step 2: Convert to fraction form
    45,249.40/67,874.10 = 44,277.40/x
  3. Step 3: Cross multiply
    45,249.40x = 67,874.10 × 44,277.40
  4. Step 4: Simplify right side
    45,249.40x = 3,005,288,675.34
  5. Step 5: Solve for x
    x = 3,005,288,675.34/45,249.40
  6. Step 6: Final answer
    x = 66,416.10

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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.