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Finding the Fourth Proportional to 71,975.58, 107,963.55 and 36,896.10

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Solution

The fourth proportional to 71,975.58, 107,963.55 and 36,896.10 is: 55,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,975.58 : 107,963.55 = 36,896.10 : x
  2. Step 2: Convert to fraction form
    71,975.58/107,963.55 = 36,896.10/x
  3. Step 3: Cross multiply
    71,975.58x = 107,963.55 × 36,896.10
  4. Step 4: Simplify right side
    71,975.58x = 3,983,433,937.16
  5. Step 5: Solve for x
    x = 3,983,433,937.16/71,975.58
  6. Step 6: Final answer
    x = 55,344.24

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1.5x scale

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.