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Finding the Fourth Proportional to 45,852.80, 68,764.98 and 22,145.60

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Solution

The fourth proportional to 45,852.80, 68,764.98 and 22,145.60 is: 33,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,852.80 : 68,764.98 = 22,145.60 : x
  2. Step 2: Convert to fraction form
    45,852.80/68,764.98 = 22,145.60/x
  3. Step 3: Cross multiply
    45,852.80x = 68,764.98 × 22,145.60
  4. Step 4: Simplify right side
    45,852.80x = 1,522,841,996.05
  5. Step 5: Solve for x
    x = 1,522,841,996.05/45,852.80
  6. Step 6: Final answer
    x = 33,211.54

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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.