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Finding the Fourth Proportional to 47,155.64, 65,076.01 and 25,935.46

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Solution

The fourth proportional to 47,155.64, 65,076.01 and 25,935.46 is: 35,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155.64 : 65,076.01 = 25,935.46 : x
  2. Step 2: Convert to fraction form
    47,155.64/65,076.01 = 25,935.46/x
  3. Step 3: Cross multiply
    47,155.64x = 65,076.01 × 25,935.46
  4. Step 4: Simplify right side
    47,155.64x = 1,687,776,026.79
  5. Step 5: Solve for x
    x = 1,687,776,026.79/47,155.64
  6. Step 6: Final answer
    x = 35,791.61

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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.