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Finding the Fourth Proportional to 40,779, 56,275.12 and 23,794.92

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Solution

The fourth proportional to 40,779, 56,275.12 and 23,794.92 is: 32,837.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,779 : 56,275.12 = 23,794.92 : x
  2. Step 2: Convert to fraction form
    40,779/56,275.12 = 23,794.92/x
  3. Step 3: Cross multiply
    40,779x = 56,275.12 × 23,794.92
  4. Step 4: Simplify right side
    40,779x = 1,339,061,978.39
  5. Step 5: Solve for x
    x = 1,339,061,978.39/40,779
  6. Step 6: Final answer
    x = 32,837.05

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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.