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Finding the Fourth Proportional to 26,880.70, 40,333.05 and 9,363.10

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Solution

The fourth proportional to 26,880.70, 40,333.05 and 9,363.10 is: 14,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,880.70 : 40,333.05 = 9,363.10 : x
  2. Step 2: Convert to fraction form
    26,880.70/40,333.05 = 9,363.10/x
  3. Step 3: Cross multiply
    26,880.70x = 40,333.05 × 9,363.10
  4. Step 4: Simplify right side
    26,880.70x = 377,642,380.46
  5. Step 5: Solve for x
    x = 377,642,380.46/26,880.70
  6. Step 6: Final answer
    x = 14,048.83

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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.