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Finding the Fourth Proportional to 56,640.77, 84,955.65 and 17,198.22

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Solution

The fourth proportional to 56,640.77, 84,955.65 and 17,198.22 is: 25,795.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,640.77 : 84,955.65 = 17,198.22 : x
  2. Step 2: Convert to fraction form
    56,640.77/84,955.65 = 17,198.22/x
  3. Step 3: Cross multiply
    56,640.77x = 84,955.65 × 17,198.22
  4. Step 4: Simplify right side
    56,640.77x = 1,461,086,213.03
  5. Step 5: Solve for x
    x = 1,461,086,213.03/56,640.77
  6. Step 6: Final answer
    x = 25,795.66

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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.