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Finding the Fourth Proportional to 2,832.59, 3,907.06 and 1,711.60

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Solution

The fourth proportional to 2,832.59, 3,907.06 and 1,711.60 is: 2,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.59 : 3,907.06 = 1,711.60 : x
  2. Step 2: Convert to fraction form
    2,832.59/3,907.06 = 1,711.60/x
  3. Step 3: Cross multiply
    2,832.59x = 3,907.06 × 1,711.60
  4. Step 4: Simplify right side
    2,832.59x = 6,687,309.85
  5. Step 5: Solve for x
    x = 6,687,309.85/2,832.59
  6. Step 6: Final answer
    x = 2,360.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.