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Finding the Fourth Proportional to 36,936.72, 55,405.08 and 9,234.72

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Solution

The fourth proportional to 36,936.72, 55,405.08 and 9,234.72 is: 13,852.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,936.72 : 55,405.08 = 9,234.72 : x
  2. Step 2: Convert to fraction form
    36,936.72/55,405.08 = 9,234.72/x
  3. Step 3: Cross multiply
    36,936.72x = 55,405.08 × 9,234.72
  4. Step 4: Simplify right side
    36,936.72x = 511,650,400.38
  5. Step 5: Solve for x
    x = 511,650,400.38/36,936.72
  6. Step 6: Final answer
    x = 13,852.08

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1.5x scale

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.