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Finding the Fourth Proportional to 55,010.44, 75,921.78 and 32,655.88

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Solution

The fourth proportional to 55,010.44, 75,921.78 and 32,655.88 is: 45,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,010.44 : 75,921.78 = 32,655.88 : x
  2. Step 2: Convert to fraction form
    55,010.44/75,921.78 = 32,655.88/x
  3. Step 3: Cross multiply
    55,010.44x = 75,921.78 × 32,655.88
  4. Step 4: Simplify right side
    55,010.44x = 2,479,292,537.07
  5. Step 5: Solve for x
    x = 2,479,292,537.07/55,010.44
  6. Step 6: Final answer
    x = 45,069.49

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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.