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Finding the Fourth Proportional to 52,644.44, 79,004.75 and 20,628.29

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Solution

The fourth proportional to 52,644.44, 79,004.75 and 20,628.29 is: 30,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,644.44 : 79,004.75 = 20,628.29 : x
  2. Step 2: Convert to fraction form
    52,644.44/79,004.75 = 20,628.29/x
  3. Step 3: Cross multiply
    52,644.44x = 79,004.75 × 20,628.29
  4. Step 4: Simplify right side
    52,644.44x = 1,629,732,396.21
  5. Step 5: Solve for x
    x = 1,629,732,396.21/52,644.44
  6. Step 6: Final answer
    x = 30,957.35

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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.