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Finding the Fourth Proportional to 29,025.33, 43,538.07 and 7,965.66

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Solution

The fourth proportional to 29,025.33, 43,538.07 and 7,965.66 is: 11,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,025.33 : 43,538.07 = 7,965.66 : x
  2. Step 2: Convert to fraction form
    29,025.33/43,538.07 = 7,965.66/x
  3. Step 3: Cross multiply
    29,025.33x = 43,538.07 × 7,965.66
  4. Step 4: Simplify right side
    29,025.33x = 346,809,462.68
  5. Step 5: Solve for x
    x = 346,809,462.68/29,025.33
  6. Step 6: Final answer
    x = 11,948.51

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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.