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Finding the Fourth Proportional to 29,675.43, 44,531.06 and 15,645.83

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Solution

The fourth proportional to 29,675.43, 44,531.06 and 15,645.83 is: 23,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,675.43 : 44,531.06 = 15,645.83 : x
  2. Step 2: Convert to fraction form
    29,675.43/44,531.06 = 15,645.83/x
  3. Step 3: Cross multiply
    29,675.43x = 44,531.06 × 15,645.83
  4. Step 4: Simplify right side
    29,675.43x = 696,725,093.60
  5. Step 5: Solve for x
    x = 696,725,093.60/29,675.43
  6. Step 6: Final answer
    x = 23,478.18

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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.