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Finding the Fourth Proportional to 31,504.96, 43,476.96 and 17,357.68

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Solution

The fourth proportional to 31,504.96, 43,476.96 and 17,357.68 is: 23,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504.96 : 43,476.96 = 17,357.68 : x
  2. Step 2: Convert to fraction form
    31,504.96/43,476.96 = 17,357.68/x
  3. Step 3: Cross multiply
    31,504.96x = 43,476.96 × 17,357.68
  4. Step 4: Simplify right side
    31,504.96x = 754,659,159.05
  5. Step 5: Solve for x
    x = 754,659,159.05/31,504.96
  6. Step 6: Final answer
    x = 23,953.66

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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.