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Finding the Fourth Proportional to 35,163.80, 52,745.92 and 14,387.30

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Solution

The fourth proportional to 35,163.80, 52,745.92 and 14,387.30 is: 21,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,163.80 : 52,745.92 = 14,387.30 : x
  2. Step 2: Convert to fraction form
    35,163.80/52,745.92 = 14,387.30/x
  3. Step 3: Cross multiply
    35,163.80x = 52,745.92 × 14,387.30
  4. Step 4: Simplify right side
    35,163.80x = 758,871,374.82
  5. Step 5: Solve for x
    x = 758,871,374.82/35,163.80
  6. Step 6: Final answer
    x = 21,581.04

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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.