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Finding the Fourth Proportional to 48,750.56, 73,128.44 and 15,473.20

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Solution

The fourth proportional to 48,750.56, 73,128.44 and 15,473.20 is: 23,210.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,750.56 : 73,128.44 = 15,473.20 : x
  2. Step 2: Convert to fraction form
    48,750.56/73,128.44 = 15,473.20/x
  3. Step 3: Cross multiply
    48,750.56x = 73,128.44 × 15,473.20
  4. Step 4: Simplify right side
    48,750.56x = 1,131,530,977.81
  5. Step 5: Solve for x
    x = 1,131,530,977.81/48,750.56
  6. Step 6: Final answer
    x = 23,210.63

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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.