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Finding the Fourth Proportional to 71,040.52, 106,563.48 and 23,659.84

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Solution

The fourth proportional to 71,040.52, 106,563.48 and 23,659.84 is: 35,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040.52 : 106,563.48 = 23,659.84 : x
  2. Step 2: Convert to fraction form
    71,040.52/106,563.48 = 23,659.84/x
  3. Step 3: Cross multiply
    71,040.52x = 106,563.48 × 23,659.84
  4. Step 4: Simplify right side
    71,040.52x = 2,521,274,886.64
  5. Step 5: Solve for x
    x = 2,521,274,886.64/71,040.52
  6. Step 6: Final answer
    x = 35,490.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.