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Finding the Fourth Proportional to 71,607.51, 107,422.20 and 36,528.03

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Solution

The fourth proportional to 71,607.51, 107,422.20 and 36,528.03 is: 54,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,607.51 : 107,422.20 = 36,528.03 : x
  2. Step 2: Convert to fraction form
    71,607.51/107,422.20 = 36,528.03/x
  3. Step 3: Cross multiply
    71,607.51x = 107,422.20 × 36,528.03
  4. Step 4: Simplify right side
    71,607.51x = 3,923,921,344.27
  5. Step 5: Solve for x
    x = 3,923,921,344.27/71,607.51
  6. Step 6: Final answer
    x = 54,797.62

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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.