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Finding the Fourth Proportional to 68,597.32, 102,894.90 and 21,849.52

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Solution

The fourth proportional to 68,597.32, 102,894.90 and 21,849.52 is: 32,773.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,597.32 : 102,894.90 = 21,849.52 : x
  2. Step 2: Convert to fraction form
    68,597.32/102,894.90 = 21,849.52/x
  3. Step 3: Cross multiply
    68,597.32x = 102,894.90 × 21,849.52
  4. Step 4: Simplify right side
    68,597.32x = 2,248,204,175.45
  5. Step 5: Solve for x
    x = 2,248,204,175.45/68,597.32
  6. Step 6: Final answer
    x = 32,773.94

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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.