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Finding the Fourth Proportional to 41,238.83, 61,865.96 and 18,751.16

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Solution

The fourth proportional to 41,238.83, 61,865.96 and 18,751.16 is: 28,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,238.83 : 61,865.96 = 18,751.16 : x
  2. Step 2: Convert to fraction form
    41,238.83/61,865.96 = 18,751.16/x
  3. Step 3: Cross multiply
    41,238.83x = 61,865.96 × 18,751.16
  4. Step 4: Simplify right side
    41,238.83x = 1,160,058,575.42
  5. Step 5: Solve for x
    x = 1,160,058,575.42/41,238.83
  6. Step 6: Final answer
    x = 28,130.25

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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.