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Finding the Fourth Proportional to 6,874.40, 10,311.58 and 2,435.32

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Solution

The fourth proportional to 6,874.40, 10,311.58 and 2,435.32 is: 3,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.40 : 10,311.58 = 2,435.32 : x
  2. Step 2: Convert to fraction form
    6,874.40/10,311.58 = 2,435.32/x
  3. Step 3: Cross multiply
    6,874.40x = 10,311.58 × 2,435.32
  4. Step 4: Simplify right side
    6,874.40x = 25,111,997.01
  5. Step 5: Solve for x
    x = 25,111,997.01/6,874.40
  6. Step 6: Final answer
    x = 3,652.97

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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.