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Finding the Fourth Proportional to 48,992.88, 73,509.84 and 25,634.64

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Solution

The fourth proportional to 48,992.88, 73,509.84 and 25,634.64 is: 38,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,992.88 : 73,509.84 = 25,634.64 : x
  2. Step 2: Convert to fraction form
    48,992.88/73,509.84 = 25,634.64/x
  3. Step 3: Cross multiply
    48,992.88x = 73,509.84 × 25,634.64
  4. Step 4: Simplify right side
    48,992.88x = 1,884,398,284.86
  5. Step 5: Solve for x
    x = 1,884,398,284.86/48,992.88
  6. Step 6: Final answer
    x = 38,462.70

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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.