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Finding the Fourth Proportional to 45,604.96, 68,402.62 and 21,583.51

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Solution

The fourth proportional to 45,604.96, 68,402.62 and 21,583.51 is: 32,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,604.96 : 68,402.62 = 21,583.51 : x
  2. Step 2: Convert to fraction form
    45,604.96/68,402.62 = 21,583.51/x
  3. Step 3: Cross multiply
    45,604.96x = 68,402.62 × 21,583.51
  4. Step 4: Simplify right side
    45,604.96x = 1,476,368,632.80
  5. Step 5: Solve for x
    x = 1,476,368,632.80/45,604.96
  6. Step 6: Final answer
    x = 32,372.98

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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.