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Finding the Fourth Proportional to 55,293.98, 76,245.44 and 37,357.88

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Solution

The fourth proportional to 55,293.98, 76,245.44 and 37,357.88 is: 51,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,293.98 : 76,245.44 = 37,357.88 : x
  2. Step 2: Convert to fraction form
    55,293.98/76,245.44 = 37,357.88/x
  3. Step 3: Cross multiply
    55,293.98x = 76,245.44 × 37,357.88
  4. Step 4: Simplify right side
    55,293.98x = 2,848,367,430.05
  5. Step 5: Solve for x
    x = 2,848,367,430.05/55,293.98
  6. Step 6: Final answer
    x = 51,513.16

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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.