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Finding the Fourth Proportional to 56,626.52, 84,928.62 and 53,816.60

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Solution

The fourth proportional to 56,626.52, 84,928.62 and 53,816.60 is: 80,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,626.52 : 84,928.62 = 53,816.60 : x
  2. Step 2: Convert to fraction form
    56,626.52/84,928.62 = 53,816.60/x
  3. Step 3: Cross multiply
    56,626.52x = 84,928.62 × 53,816.60
  4. Step 4: Simplify right side
    56,626.52x = 4,570,569,571.09
  5. Step 5: Solve for x
    x = 4,570,569,571.09/56,626.52
  6. Step 6: Final answer
    x = 80,714.29

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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.