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Finding the Fourth Proportional to 52,777.28, 72,786.12 and 32,630.96

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Solution

The fourth proportional to 52,777.28, 72,786.12 and 32,630.96 is: 45,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777.28 : 72,786.12 = 32,630.96 : x
  2. Step 2: Convert to fraction form
    52,777.28/72,786.12 = 32,630.96/x
  3. Step 3: Cross multiply
    52,777.28x = 72,786.12 × 32,630.96
  4. Step 4: Simplify right side
    52,777.28x = 2,375,080,970.28
  5. Step 5: Solve for x
    x = 2,375,080,970.28/52,777.28
  6. Step 6: Final answer
    x = 45,001.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.