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Finding the Fourth Proportional to 71,252.28, 106,975.62 and 36,216.72

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Solution

The fourth proportional to 71,252.28, 106,975.62 and 36,216.72 is: 54,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,252.28 : 106,975.62 = 36,216.72 : x
  2. Step 2: Convert to fraction form
    71,252.28/106,975.62 = 36,216.72/x
  3. Step 3: Cross multiply
    71,252.28x = 106,975.62 × 36,216.72
  4. Step 4: Simplify right side
    71,252.28x = 3,874,306,076.37
  5. Step 5: Solve for x
    x = 3,874,306,076.37/71,252.28
  6. Step 6: Final answer
    x = 54,374.49

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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.