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Finding the Fourth Proportional to 56,396.66, 84,590.73 and 16,415.97

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Solution

The fourth proportional to 56,396.66, 84,590.73 and 16,415.97 is: 24,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,396.66 : 84,590.73 = 16,415.97 : x
  2. Step 2: Convert to fraction form
    56,396.66/84,590.73 = 16,415.97/x
  3. Step 3: Cross multiply
    56,396.66x = 84,590.73 × 16,415.97
  4. Step 4: Simplify right side
    56,396.66x = 1,388,638,568.74
  5. Step 5: Solve for x
    x = 1,388,638,568.74/56,396.66
  6. Step 6: Final answer
    x = 24,622.71

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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.