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Finding the Fourth Proportional to 56,584.62, 84,874.77 and 19,147.50

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Solution

The fourth proportional to 56,584.62, 84,874.77 and 19,147.50 is: 28,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,584.62 : 84,874.77 = 19,147.50 : x
  2. Step 2: Convert to fraction form
    56,584.62/84,874.77 = 19,147.50/x
  3. Step 3: Cross multiply
    56,584.62x = 84,874.77 × 19,147.50
  4. Step 4: Simplify right side
    56,584.62x = 1,625,139,658.58
  5. Step 5: Solve for x
    x = 1,625,139,658.58/56,584.62
  6. Step 6: Final answer
    x = 28,720.52

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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.