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Finding the Fourth Proportional to 55,770.40, 83,655.60 and 50,845.60

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Solution

The fourth proportional to 55,770.40, 83,655.60 and 50,845.60 is: 76,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.40 : 83,655.60 = 50,845.60 : x
  2. Step 2: Convert to fraction form
    55,770.40/83,655.60 = 50,845.60/x
  3. Step 3: Cross multiply
    55,770.40x = 83,655.60 × 50,845.60
  4. Step 4: Simplify right side
    55,770.40x = 4,253,519,175.36
  5. Step 5: Solve for x
    x = 4,253,519,175.36/55,770.40
  6. Step 6: Final answer
    x = 76,268.40

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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.