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Finding the Fourth Proportional to 13,305.67, 18,363.10 and 8,000.37

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Solution

The fourth proportional to 13,305.67, 18,363.10 and 8,000.37 is: 11,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.67 : 18,363.10 = 8,000.37 : x
  2. Step 2: Convert to fraction form
    13,305.67/18,363.10 = 8,000.37/x
  3. Step 3: Cross multiply
    13,305.67x = 18,363.10 × 8,000.37
  4. Step 4: Simplify right side
    13,305.67x = 146,911,594.35
  5. Step 5: Solve for x
    x = 146,911,594.35/13,305.67
  6. Step 6: Final answer
    x = 11,041.28

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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.