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Finding the Fourth Proportional to 43,751.72, 65,549.82 and 25,031

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Solution

The fourth proportional to 43,751.72, 65,549.82 and 25,031 is: 37,502.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,751.72 : 65,549.82 = 25,031 : x
  2. Step 2: Convert to fraction form
    43,751.72/65,549.82 = 25,031/x
  3. Step 3: Cross multiply
    43,751.72x = 65,549.82 × 25,031
  4. Step 4: Simplify right side
    43,751.72x = 1,640,777,544.42
  5. Step 5: Solve for x
    x = 1,640,777,544.42/43,751.72
  6. Step 6: Final answer
    x = 37,502.01

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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.