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Finding the Fourth Proportional to 55,173.64, 82,808.52 and 28,896.88

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Solution

The fourth proportional to 55,173.64, 82,808.52 and 28,896.88 is: 43,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,173.64 : 82,808.52 = 28,896.88 : x
  2. Step 2: Convert to fraction form
    55,173.64/82,808.52 = 28,896.88/x
  3. Step 3: Cross multiply
    55,173.64x = 82,808.52 × 28,896.88
  4. Step 4: Simplify right side
    55,173.64x = 2,392,907,865.42
  5. Step 5: Solve for x
    x = 2,392,907,865.42/55,173.64
  6. Step 6: Final answer
    x = 43,370.49

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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.