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Finding the Fourth Proportional to 28,384, 42,613.68 and 24,250.56

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Solution

The fourth proportional to 28,384, 42,613.68 and 24,250.56 is: 36,408.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,384 : 42,613.68 = 24,250.56 : x
  2. Step 2: Convert to fraction form
    28,384/42,613.68 = 24,250.56/x
  3. Step 3: Cross multiply
    28,384x = 42,613.68 × 24,250.56
  4. Step 4: Simplify right side
    28,384x = 1,033,405,603.66
  5. Step 5: Solve for x
    x = 1,033,405,603.66/28,384
  6. Step 6: Final answer
    x = 36,408.03

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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.