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Finding the Fourth Proportional to 80,297.52, 110,763 and 48,447.60

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Solution

The fourth proportional to 80,297.52, 110,763 and 48,447.60 is: 66,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,297.52 : 110,763 = 48,447.60 : x
  2. Step 2: Convert to fraction form
    80,297.52/110,763 = 48,447.60/x
  3. Step 3: Cross multiply
    80,297.52x = 110,763 × 48,447.60
  4. Step 4: Simplify right side
    80,297.52x = 5,366,201,518.80
  5. Step 5: Solve for x
    x = 5,366,201,518.80/80,297.52
  6. Step 6: Final answer
    x = 66,828.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.