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Finding the Fourth Proportional to 45,703.44, 68,467.68 and 36,809.64

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Solution

The fourth proportional to 45,703.44, 68,467.68 and 36,809.64 is: 55,144.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,703.44 : 68,467.68 = 36,809.64 : x
  2. Step 2: Convert to fraction form
    45,703.44/68,467.68 = 36,809.64/x
  3. Step 3: Cross multiply
    45,703.44x = 68,467.68 × 36,809.64
  4. Step 4: Simplify right side
    45,703.44x = 2,520,270,652.44
  5. Step 5: Solve for x
    x = 2,520,270,652.44/45,703.44
  6. Step 6: Final answer
    x = 55,144.00

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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.