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Finding the Fourth Proportional to 8,683.32, 13,027.32 and 3,135

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Solution

The fourth proportional to 8,683.32, 13,027.32 and 3,135 is: 4,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.32 : 13,027.32 = 3,135 : x
  2. Step 2: Convert to fraction form
    8,683.32/13,027.32 = 3,135/x
  3. Step 3: Cross multiply
    8,683.32x = 13,027.32 × 3,135
  4. Step 4: Simplify right side
    8,683.32x = 40,840,648.20
  5. Step 5: Solve for x
    x = 40,840,648.20/8,683.32
  6. Step 6: Final answer
    x = 4,703.34

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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.