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Finding the Fourth Proportional to 56,615.44, 84,913.68 and 17,163.12

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Solution

The fourth proportional to 56,615.44, 84,913.68 and 17,163.12 is: 25,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,615.44 : 84,913.68 = 17,163.12 : x
  2. Step 2: Convert to fraction form
    56,615.44/84,913.68 = 17,163.12/x
  3. Step 3: Cross multiply
    56,615.44x = 84,913.68 × 17,163.12
  4. Step 4: Simplify right side
    56,615.44x = 1,457,383,679.48
  5. Step 5: Solve for x
    x = 1,457,383,679.48/56,615.44
  6. Step 6: Final answer
    x = 25,741.81

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1.5x scale

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.