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Finding the Fourth Proportional to 56,928.52, 85,392.60 and 15,375.52

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Solution

The fourth proportional to 56,928.52, 85,392.60 and 15,375.52 is: 23,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,928.52 : 85,392.60 = 15,375.52 : x
  2. Step 2: Convert to fraction form
    56,928.52/85,392.60 = 15,375.52/x
  3. Step 3: Cross multiply
    56,928.52x = 85,392.60 × 15,375.52
  4. Step 4: Simplify right side
    56,928.52x = 1,312,955,629.15
  5. Step 5: Solve for x
    x = 1,312,955,629.15/56,928.52
  6. Step 6: Final answer
    x = 23,063.23

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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.