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Finding the Fourth Proportional to 34,033.80, 50,977.80 and 28,201.80

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Solution

The fourth proportional to 34,033.80, 50,977.80 and 28,201.80 is: 42,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,033.80 : 50,977.80 = 28,201.80 : x
  2. Step 2: Convert to fraction form
    34,033.80/50,977.80 = 28,201.80/x
  3. Step 3: Cross multiply
    34,033.80x = 50,977.80 × 28,201.80
  4. Step 4: Simplify right side
    34,033.80x = 1,437,665,720.04
  5. Step 5: Solve for x
    x = 1,437,665,720.04/34,033.80
  6. Step 6: Final answer
    x = 42,242.29

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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.