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Finding the Fourth Proportional to 56,180, 84,294.60 and 26,618.96

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Solution

The fourth proportional to 56,180, 84,294.60 and 26,618.96 is: 39,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,180 : 84,294.60 = 26,618.96 : x
  2. Step 2: Convert to fraction form
    56,180/84,294.60 = 26,618.96/x
  3. Step 3: Cross multiply
    56,180x = 84,294.60 × 26,618.96
  4. Step 4: Simplify right side
    56,180x = 2,243,834,585.62
  5. Step 5: Solve for x
    x = 2,243,834,585.62/56,180
  6. Step 6: Final answer
    x = 39,940.10

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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.