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Finding the Fourth Proportional to 29,012.60, 43,454.10 and 23,828.60

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Solution

The fourth proportional to 29,012.60, 43,454.10 and 23,828.60 is: 35,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,012.60 : 43,454.10 = 23,828.60 : x
  2. Step 2: Convert to fraction form
    29,012.60/43,454.10 = 23,828.60/x
  3. Step 3: Cross multiply
    29,012.60x = 43,454.10 × 23,828.60
  4. Step 4: Simplify right side
    29,012.60x = 1,035,450,367.26
  5. Step 5: Solve for x
    x = 1,035,450,367.26/29,012.60
  6. Step 6: Final answer
    x = 35,689.68

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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.