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Finding the Fourth Proportional to 40,787.48, 61,102.29 and 23,879.54

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Solution

The fourth proportional to 40,787.48, 61,102.29 and 23,879.54 is: 35,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,787.48 : 61,102.29 = 23,879.54 : x
  2. Step 2: Convert to fraction form
    40,787.48/61,102.29 = 23,879.54/x
  3. Step 3: Cross multiply
    40,787.48x = 61,102.29 × 23,879.54
  4. Step 4: Simplify right side
    40,787.48x = 1,459,094,578.15
  5. Step 5: Solve for x
    x = 1,459,094,578.15/40,787.48
  6. Step 6: Final answer
    x = 35,773.10

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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.