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Finding the Fourth Proportional to 35,116.80, 52,675.20 and 30,739.20

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Solution

The fourth proportional to 35,116.80, 52,675.20 and 30,739.20 is: 46,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,116.80 : 52,675.20 = 30,739.20 : x
  2. Step 2: Convert to fraction form
    35,116.80/52,675.20 = 30,739.20/x
  3. Step 3: Cross multiply
    35,116.80x = 52,675.20 × 30,739.20
  4. Step 4: Simplify right side
    35,116.80x = 1,619,193,507.84
  5. Step 5: Solve for x
    x = 1,619,193,507.84/35,116.80
  6. Step 6: Final answer
    x = 46,108.80

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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.