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Finding the Fourth Proportional to 32,181.34, 44,386.54 and 18,751.79

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Solution

The fourth proportional to 32,181.34, 44,386.54 and 18,751.79 is: 25,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,181.34 : 44,386.54 = 18,751.79 : x
  2. Step 2: Convert to fraction form
    32,181.34/44,386.54 = 18,751.79/x
  3. Step 3: Cross multiply
    32,181.34x = 44,386.54 × 18,751.79
  4. Step 4: Simplify right side
    32,181.34x = 832,327,076.91
  5. Step 5: Solve for x
    x = 832,327,076.91/32,181.34
  6. Step 6: Final answer
    x = 25,863.66

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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.