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Finding the Fourth Proportional to 50,054.88, 75,004.56 and 31,548

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Solution

The fourth proportional to 50,054.88, 75,004.56 and 31,548 is: 47,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,054.88 : 75,004.56 = 31,548 : x
  2. Step 2: Convert to fraction form
    50,054.88/75,004.56 = 31,548/x
  3. Step 3: Cross multiply
    50,054.88x = 75,004.56 × 31,548
  4. Step 4: Simplify right side
    50,054.88x = 2,366,243,858.88
  5. Step 5: Solve for x
    x = 2,366,243,858.88/50,054.88
  6. Step 6: Final answer
    x = 47,272.99

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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.