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Finding the Fourth Proportional to 11,768.68, 17,652.90 and 3,003.50

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Solution

The fourth proportional to 11,768.68, 17,652.90 and 3,003.50 is: 4,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.68 : 17,652.90 = 3,003.50 : x
  2. Step 2: Convert to fraction form
    11,768.68/17,652.90 = 3,003.50/x
  3. Step 3: Cross multiply
    11,768.68x = 17,652.90 × 3,003.50
  4. Step 4: Simplify right side
    11,768.68x = 53,020,485.15
  5. Step 5: Solve for x
    x = 53,020,485.15/11,768.68
  6. Step 6: Final answer
    x = 4,505.22

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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.