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Finding the Fourth Proportional to 8,395.42, 11,586.44 and 4,619.34

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Solution

The fourth proportional to 8,395.42, 11,586.44 and 4,619.34 is: 6,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.42 : 11,586.44 = 4,619.34 : x
  2. Step 2: Convert to fraction form
    8,395.42/11,586.44 = 4,619.34/x
  3. Step 3: Cross multiply
    8,395.42x = 11,586.44 × 4,619.34
  4. Step 4: Simplify right side
    8,395.42x = 53,521,705.75
  5. Step 5: Solve for x
    x = 53,521,705.75/8,395.42
  6. Step 6: Final answer
    x = 6,375.11

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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.