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Finding the Fourth Proportional to 56,227.54, 84,275.73 and 20,662.06

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Solution

The fourth proportional to 56,227.54, 84,275.73 and 20,662.06 is: 30,968.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,227.54 : 84,275.73 = 20,662.06 : x
  2. Step 2: Convert to fraction form
    56,227.54/84,275.73 = 20,662.06/x
  3. Step 3: Cross multiply
    56,227.54x = 84,275.73 × 20,662.06
  4. Step 4: Simplify right side
    56,227.54x = 1,741,310,267.29
  5. Step 5: Solve for x
    x = 1,741,310,267.29/56,227.54
  6. Step 6: Final answer
    x = 30,968.99

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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.