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Finding the Fourth Proportional to 34,772.80, 52,197.60 and 19,220.80

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Solution

The fourth proportional to 34,772.80, 52,197.60 and 19,220.80 is: 28,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.80 : 52,197.60 = 19,220.80 : x
  2. Step 2: Convert to fraction form
    34,772.80/52,197.60 = 19,220.80/x
  3. Step 3: Cross multiply
    34,772.80x = 52,197.60 × 19,220.80
  4. Step 4: Simplify right side
    34,772.80x = 1,003,279,630.08
  5. Step 5: Solve for x
    x = 1,003,279,630.08/34,772.80
  6. Step 6: Final answer
    x = 28,852.43

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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.