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Finding the Fourth Proportional to 56,889.20, 85,352.52 and 26,916.32

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Solution

The fourth proportional to 56,889.20, 85,352.52 and 26,916.32 is: 40,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,889.20 : 85,352.52 = 26,916.32 : x
  2. Step 2: Convert to fraction form
    56,889.20/85,352.52 = 26,916.32/x
  3. Step 3: Cross multiply
    56,889.20x = 85,352.52 × 26,916.32
  4. Step 4: Simplify right side
    56,889.20x = 2,297,375,741.13
  5. Step 5: Solve for x
    x = 2,297,375,741.13/56,889.20
  6. Step 6: Final answer
    x = 40,383.34

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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.