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Finding the Fourth Proportional to 56,363.85, 84,520.87 and 16,913.41

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Solution

The fourth proportional to 56,363.85, 84,520.87 and 16,913.41 is: 25,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,363.85 : 84,520.87 = 16,913.41 : x
  2. Step 2: Convert to fraction form
    56,363.85/84,520.87 = 16,913.41/x
  3. Step 3: Cross multiply
    56,363.85x = 84,520.87 × 16,913.41
  4. Step 4: Simplify right side
    56,363.85x = 1,429,535,874.28
  5. Step 5: Solve for x
    x = 1,429,535,874.28/56,363.85
  6. Step 6: Final answer
    x = 25,362.64

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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.