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Finding the Fourth Proportional to 45,297.80, 67,946.70 and 44,520.20

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Solution

The fourth proportional to 45,297.80, 67,946.70 and 44,520.20 is: 66,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,297.80 : 67,946.70 = 44,520.20 : x
  2. Step 2: Convert to fraction form
    45,297.80/67,946.70 = 44,520.20/x
  3. Step 3: Cross multiply
    45,297.80x = 67,946.70 × 44,520.20
  4. Step 4: Simplify right side
    45,297.80x = 3,025,000,673.34
  5. Step 5: Solve for x
    x = 3,025,000,673.34/45,297.80
  6. Step 6: Final answer
    x = 66,780.30

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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.