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Finding the Fourth Proportional to 56,489.56, 84,734.94 and 17,047.02

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Solution

The fourth proportional to 56,489.56, 84,734.94 and 17,047.02 is: 25,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.56 : 84,734.94 = 17,047.02 : x
  2. Step 2: Convert to fraction form
    56,489.56/84,734.94 = 17,047.02/x
  3. Step 3: Cross multiply
    56,489.56x = 84,734.94 × 17,047.02
  4. Step 4: Simplify right side
    56,489.56x = 1,444,478,216.88
  5. Step 5: Solve for x
    x = 1,444,478,216.88/56,489.56
  6. Step 6: Final answer
    x = 25,570.71

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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.