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Finding the Fourth Proportional to 48,415.28, 72,633.24 and 16,826.28

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Solution

The fourth proportional to 48,415.28, 72,633.24 and 16,826.28 is: 25,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,415.28 : 72,633.24 = 16,826.28 : x
  2. Step 2: Convert to fraction form
    48,415.28/72,633.24 = 16,826.28/x
  3. Step 3: Cross multiply
    48,415.28x = 72,633.24 × 16,826.28
  4. Step 4: Simplify right side
    48,415.28x = 1,222,147,233.55
  5. Step 5: Solve for x
    x = 1,222,147,233.55/48,415.28
  6. Step 6: Final answer
    x = 25,243.01

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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.