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Finding the Fourth Proportional to 48,455.36, 67,057.44 and 47,289.92

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Solution

The fourth proportional to 48,455.36, 67,057.44 and 47,289.92 is: 65,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,455.36 : 67,057.44 = 47,289.92 : x
  2. Step 2: Convert to fraction form
    48,455.36/67,057.44 = 47,289.92/x
  3. Step 3: Cross multiply
    48,455.36x = 67,057.44 × 47,289.92
  4. Step 4: Simplify right side
    48,455.36x = 3,171,140,973.00
  5. Step 5: Solve for x
    x = 3,171,140,973.00/48,455.36
  6. Step 6: Final answer
    x = 65,444.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.