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Finding the Fourth Proportional to 17,907.02, 26,860.56 and 6,811.16

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Solution

The fourth proportional to 17,907.02, 26,860.56 and 6,811.16 is: 10,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.02 : 26,860.56 = 6,811.16 : x
  2. Step 2: Convert to fraction form
    17,907.02/26,860.56 = 6,811.16/x
  3. Step 3: Cross multiply
    17,907.02x = 26,860.56 × 6,811.16
  4. Step 4: Simplify right side
    17,907.02x = 182,951,571.85
  5. Step 5: Solve for x
    x = 182,951,571.85/17,907.02
  6. Step 6: Final answer
    x = 10,216.75

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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.