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Finding the Fourth Proportional to 55,250.80, 82,876.20 and 34,255.60

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Solution

The fourth proportional to 55,250.80, 82,876.20 and 34,255.60 is: 51,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,250.80 : 82,876.20 = 34,255.60 : x
  2. Step 2: Convert to fraction form
    55,250.80/82,876.20 = 34,255.60/x
  3. Step 3: Cross multiply
    55,250.80x = 82,876.20 × 34,255.60
  4. Step 4: Simplify right side
    55,250.80x = 2,838,973,956.72
  5. Step 5: Solve for x
    x = 2,838,973,956.72/55,250.80
  6. Step 6: Final answer
    x = 51,383.40

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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.