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Finding the Fourth Proportional to 31,735.45, 43,795.45 and 17,394.99

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Solution

The fourth proportional to 31,735.45, 43,795.45 and 17,394.99 is: 24,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,735.45 : 43,795.45 = 17,394.99 : x
  2. Step 2: Convert to fraction form
    31,735.45/43,795.45 = 17,394.99/x
  3. Step 3: Cross multiply
    31,735.45x = 43,795.45 × 17,394.99
  4. Step 4: Simplify right side
    31,735.45x = 761,821,414.80
  5. Step 5: Solve for x
    x = 761,821,414.80/31,735.45
  6. Step 6: Final answer
    x = 24,005.38

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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.