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Finding the Fourth Proportional to 48,734.28, 73,101.42 and 11,798.28

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Solution

The fourth proportional to 48,734.28, 73,101.42 and 11,798.28 is: 17,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,734.28 : 73,101.42 = 11,798.28 : x
  2. Step 2: Convert to fraction form
    48,734.28/73,101.42 = 11,798.28/x
  3. Step 3: Cross multiply
    48,734.28x = 73,101.42 × 11,798.28
  4. Step 4: Simplify right side
    48,734.28x = 862,471,021.56
  5. Step 5: Solve for x
    x = 862,471,021.56/48,734.28
  6. Step 6: Final answer
    x = 17,697.42

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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.