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Finding the Fourth Proportional to 17,122.80, 25,692.42 and 8,352.94

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Solution

The fourth proportional to 17,122.80, 25,692.42 and 8,352.94 is: 12,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.80 : 25,692.42 = 8,352.94 : x
  2. Step 2: Convert to fraction form
    17,122.80/25,692.42 = 8,352.94/x
  3. Step 3: Cross multiply
    17,122.80x = 25,692.42 × 8,352.94
  4. Step 4: Simplify right side
    17,122.80x = 214,607,242.71
  5. Step 5: Solve for x
    x = 214,607,242.71/17,122.80
  6. Step 6: Final answer
    x = 12,533.42

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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.