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Finding the Fourth Proportional to 55,101.96, 82,599.48 and 21,810.96

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Solution

The fourth proportional to 55,101.96, 82,599.48 and 21,810.96 is: 32,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,101.96 : 82,599.48 = 21,810.96 : x
  2. Step 2: Convert to fraction form
    55,101.96/82,599.48 = 21,810.96/x
  3. Step 3: Cross multiply
    55,101.96x = 82,599.48 × 21,810.96
  4. Step 4: Simplify right side
    55,101.96x = 1,801,573,954.30
  5. Step 5: Solve for x
    x = 1,801,573,954.30/55,101.96
  6. Step 6: Final answer
    x = 32,695.28

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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.