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Finding the Fourth Proportional to 31,633.17, 43,652.07 and 17,485.17

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Solution

The fourth proportional to 31,633.17, 43,652.07 and 17,485.17 is: 24,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,633.17 : 43,652.07 = 17,485.17 : x
  2. Step 2: Convert to fraction form
    31,633.17/43,652.07 = 17,485.17/x
  3. Step 3: Cross multiply
    31,633.17x = 43,652.07 × 17,485.17
  4. Step 4: Simplify right side
    31,633.17x = 763,263,864.80
  5. Step 5: Solve for x
    x = 763,263,864.80/31,633.17
  6. Step 6: Final answer
    x = 24,128.59

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1.5x scale

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.