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Finding the Fourth Proportional to 29,299.51, 43,949.31 and 7,112.71

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Solution

The fourth proportional to 29,299.51, 43,949.31 and 7,112.71 is: 10,669.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,299.51 : 43,949.31 = 7,112.71 : x
  2. Step 2: Convert to fraction form
    29,299.51/43,949.31 = 7,112.71/x
  3. Step 3: Cross multiply
    29,299.51x = 43,949.31 × 7,112.71
  4. Step 4: Simplify right side
    29,299.51x = 312,598,696.73
  5. Step 5: Solve for x
    x = 312,598,696.73/29,299.51
  6. Step 6: Final answer
    x = 10,669.08

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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.