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Finding the Fourth Proportional to 43,654.56, 65,486.04 and 17,353.40

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Solution

The fourth proportional to 43,654.56, 65,486.04 and 17,353.40 is: 26,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,654.56 : 65,486.04 = 17,353.40 : x
  2. Step 2: Convert to fraction form
    43,654.56/65,486.04 = 17,353.40/x
  3. Step 3: Cross multiply
    43,654.56x = 65,486.04 × 17,353.40
  4. Step 4: Simplify right side
    43,654.56x = 1,136,405,446.54
  5. Step 5: Solve for x
    x = 1,136,405,446.54/43,654.56
  6. Step 6: Final answer
    x = 26,031.77

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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.