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Finding the Fourth Proportional to 41,288.44, 56,978.94 and 25,363.72

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Solution

The fourth proportional to 41,288.44, 56,978.94 and 25,363.72 is: 35,002.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,288.44 : 56,978.94 = 25,363.72 : x
  2. Step 2: Convert to fraction form
    41,288.44/56,978.94 = 25,363.72/x
  3. Step 3: Cross multiply
    41,288.44x = 56,978.94 × 25,363.72
  4. Step 4: Simplify right side
    41,288.44x = 1,445,197,880.06
  5. Step 5: Solve for x
    x = 1,445,197,880.06/41,288.44
  6. Step 6: Final answer
    x = 35,002.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.