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Finding the Fourth Proportional to 58,433.28, 87,702 and 27,286.08

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Solution

The fourth proportional to 58,433.28, 87,702 and 27,286.08 is: 40,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,433.28 : 87,702 = 27,286.08 : x
  2. Step 2: Convert to fraction form
    58,433.28/87,702 = 27,286.08/x
  3. Step 3: Cross multiply
    58,433.28x = 87,702 × 27,286.08
  4. Step 4: Simplify right side
    58,433.28x = 2,393,043,788.16
  5. Step 5: Solve for x
    x = 2,393,043,788.16/58,433.28
  6. Step 6: Final answer
    x = 40,953.44

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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.