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Finding the Fourth Proportional to 56,489.77, 84,735.24 and 17,047.21

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Solution

The fourth proportional to 56,489.77, 84,735.24 and 17,047.21 is: 25,570.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.77 : 84,735.24 = 17,047.21 : x
  2. Step 2: Convert to fraction form
    56,489.77/84,735.24 = 17,047.21/x
  3. Step 3: Cross multiply
    56,489.77x = 84,735.24 × 17,047.21
  4. Step 4: Simplify right side
    56,489.77x = 1,444,499,430.68
  5. Step 5: Solve for x
    x = 1,444,499,430.68/56,489.77
  6. Step 6: Final answer
    x = 25,570.99

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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.