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Finding the Fourth Proportional to 68,818.32, 95,008.80 and 52,656

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Solution

The fourth proportional to 68,818.32, 95,008.80 and 52,656 is: 72,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,818.32 : 95,008.80 = 52,656 : x
  2. Step 2: Convert to fraction form
    68,818.32/95,008.80 = 52,656/x
  3. Step 3: Cross multiply
    68,818.32x = 95,008.80 × 52,656
  4. Step 4: Simplify right side
    68,818.32x = 5,002,783,372.80
  5. Step 5: Solve for x
    x = 5,002,783,372.80/68,818.32
  6. Step 6: Final answer
    x = 72,695.52

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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.