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Finding the Fourth Proportional to 8,364.96, 12,545.34 and 3,435.96

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Solution

The fourth proportional to 8,364.96, 12,545.34 and 3,435.96 is: 5,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.96 : 12,545.34 = 3,435.96 : x
  2. Step 2: Convert to fraction form
    8,364.96/12,545.34 = 3,435.96/x
  3. Step 3: Cross multiply
    8,364.96x = 12,545.34 × 3,435.96
  4. Step 4: Simplify right side
    8,364.96x = 43,105,269.25
  5. Step 5: Solve for x
    x = 43,105,269.25/8,364.96
  6. Step 6: Final answer
    x = 5,153.08

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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.