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Finding the Fourth Proportional to 47,405.52, 65,420.46 and 26,183.52

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Solution

The fourth proportional to 47,405.52, 65,420.46 and 26,183.52 is: 36,133.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,405.52 : 65,420.46 = 26,183.52 : x
  2. Step 2: Convert to fraction form
    47,405.52/65,420.46 = 26,183.52/x
  3. Step 3: Cross multiply
    47,405.52x = 65,420.46 × 26,183.52
  4. Step 4: Simplify right side
    47,405.52x = 1,712,937,922.82
  5. Step 5: Solve for x
    x = 1,712,937,922.82/47,405.52
  6. Step 6: Final answer
    x = 36,133.72

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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.