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Finding the Fourth Proportional to 2,907.88, 4,361.88 and 2,294.92

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Solution

The fourth proportional to 2,907.88, 4,361.88 and 2,294.92 is: 3,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.88 : 4,361.88 = 2,294.92 : x
  2. Step 2: Convert to fraction form
    2,907.88/4,361.88 = 2,294.92/x
  3. Step 3: Cross multiply
    2,907.88x = 4,361.88 × 2,294.92
  4. Step 4: Simplify right side
    2,907.88x = 10,010,165.65
  5. Step 5: Solve for x
    x = 10,010,165.65/2,907.88
  6. Step 6: Final answer
    x = 3,442.43

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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.