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Finding the Fourth Proportional to 24,290.33, 36,435.49 and 18,751.76

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Solution

The fourth proportional to 24,290.33, 36,435.49 and 18,751.76 is: 28,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,290.33 : 36,435.49 = 18,751.76 : x
  2. Step 2: Convert to fraction form
    24,290.33/36,435.49 = 18,751.76/x
  3. Step 3: Cross multiply
    24,290.33x = 36,435.49 × 18,751.76
  4. Step 4: Simplify right side
    24,290.33x = 683,229,381.78
  5. Step 5: Solve for x
    x = 683,229,381.78/24,290.33
  6. Step 6: Final answer
    x = 28,127.63

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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.