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Finding the Fourth Proportional to 6,179.40, 9,269.07 and 2,075.40

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Solution

The fourth proportional to 6,179.40, 9,269.07 and 2,075.40 is: 3,113.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.40 : 9,269.07 = 2,075.40 : x
  2. Step 2: Convert to fraction form
    6,179.40/9,269.07 = 2,075.40/x
  3. Step 3: Cross multiply
    6,179.40x = 9,269.07 × 2,075.40
  4. Step 4: Simplify right side
    6,179.40x = 19,237,027.88
  5. Step 5: Solve for x
    x = 19,237,027.88/6,179.40
  6. Step 6: Final answer
    x = 3,113.09

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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.