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Finding the Fourth Proportional to 55,263, 82,892.34 and 15,818.52

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Solution

The fourth proportional to 55,263, 82,892.34 and 15,818.52 is: 23,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,263 : 82,892.34 = 15,818.52 : x
  2. Step 2: Convert to fraction form
    55,263/82,892.34 = 15,818.52/x
  3. Step 3: Cross multiply
    55,263x = 82,892.34 × 15,818.52
  4. Step 4: Simplify right side
    55,263x = 1,311,234,138.14
  5. Step 5: Solve for x
    x = 1,311,234,138.14/55,263
  6. Step 6: Final answer
    x = 23,727.16

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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.