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Finding the Fourth Proportional to 36,783.20, 55,203.60 and 17,064.20

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Solution

The fourth proportional to 36,783.20, 55,203.60 and 17,064.20 is: 25,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,783.20 : 55,203.60 = 17,064.20 : x
  2. Step 2: Convert to fraction form
    36,783.20/55,203.60 = 17,064.20/x
  3. Step 3: Cross multiply
    36,783.20x = 55,203.60 × 17,064.20
  4. Step 4: Simplify right side
    36,783.20x = 942,005,271.12
  5. Step 5: Solve for x
    x = 942,005,271.12/36,783.20
  6. Step 6: Final answer
    x = 25,609.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.