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Finding the Fourth Proportional to 40,269, 55,573.06 and 22,364.08

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Solution

The fourth proportional to 40,269, 55,573.06 and 22,364.08 is: 30,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,269 : 55,573.06 = 22,364.08 : x
  2. Step 2: Convert to fraction form
    40,269/55,573.06 = 22,364.08/x
  3. Step 3: Cross multiply
    40,269x = 55,573.06 × 22,364.08
  4. Step 4: Simplify right side
    40,269x = 1,242,840,359.68
  5. Step 5: Solve for x
    x = 1,242,840,359.68/40,269
  6. Step 6: Final answer
    x = 30,863.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.