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Finding the Fourth Proportional to 68,596.32, 102,893.40 and 21,848.52

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Solution

The fourth proportional to 68,596.32, 102,893.40 and 21,848.52 is: 32,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,596.32 : 102,893.40 = 21,848.52 : x
  2. Step 2: Convert to fraction form
    68,596.32/102,893.40 = 21,848.52/x
  3. Step 3: Cross multiply
    68,596.32x = 102,893.40 × 21,848.52
  4. Step 4: Simplify right side
    68,596.32x = 2,248,068,507.77
  5. Step 5: Solve for x
    x = 2,248,068,507.77/68,596.32
  6. Step 6: Final answer
    x = 32,772.44

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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.