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Finding the Fourth Proportional to 52,736.80, 79,105.20 and 32,000.80

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Solution

The fourth proportional to 52,736.80, 79,105.20 and 32,000.80 is: 48,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,736.80 : 79,105.20 = 32,000.80 : x
  2. Step 2: Convert to fraction form
    52,736.80/79,105.20 = 32,000.80/x
  3. Step 3: Cross multiply
    52,736.80x = 79,105.20 × 32,000.80
  4. Step 4: Simplify right side
    52,736.80x = 2,531,429,684.16
  5. Step 5: Solve for x
    x = 2,531,429,684.16/52,736.80
  6. Step 6: Final answer
    x = 48,001.20

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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.