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Finding the Fourth Proportional to 47,480.86, 65,520.92 and 25,966.32

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Solution

The fourth proportional to 47,480.86, 65,520.92 and 25,966.32 is: 35,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.86 : 65,520.92 = 25,966.32 : x
  2. Step 2: Convert to fraction form
    47,480.86/65,520.92 = 25,966.32/x
  3. Step 3: Cross multiply
    47,480.86x = 65,520.92 × 25,966.32
  4. Step 4: Simplify right side
    47,480.86x = 1,701,337,175.41
  5. Step 5: Solve for x
    x = 1,701,337,175.41/47,480.86
  6. Step 6: Final answer
    x = 35,832.06

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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.