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Finding the Fourth Proportional to 47,156.79, 65,076.03 and 25,935.60

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Solution

The fourth proportional to 47,156.79, 65,076.03 and 25,935.60 is: 35,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,156.79 : 65,076.03 = 25,935.60 : x
  2. Step 2: Convert to fraction form
    47,156.79/65,076.03 = 25,935.60/x
  3. Step 3: Cross multiply
    47,156.79x = 65,076.03 × 25,935.60
  4. Step 4: Simplify right side
    47,156.79x = 1,687,785,883.67
  5. Step 5: Solve for x
    x = 1,687,785,883.67/47,156.79
  6. Step 6: Final answer
    x = 35,790.94

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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.