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Finding the Fourth Proportional to 52,827.92, 79,254.16 and 15,388.88

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Solution

The fourth proportional to 52,827.92, 79,254.16 and 15,388.88 is: 23,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,827.92 : 79,254.16 = 15,388.88 : x
  2. Step 2: Convert to fraction form
    52,827.92/79,254.16 = 15,388.88/x
  3. Step 3: Cross multiply
    52,827.92x = 79,254.16 × 15,388.88
  4. Step 4: Simplify right side
    52,827.92x = 1,219,632,757.74
  5. Step 5: Solve for x
    x = 1,219,632,757.74/52,827.92
  6. Step 6: Final answer
    x = 23,086.90

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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.