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Finding the Fourth Proportional to 41,602.61, 62,419.49 and 21,599.61

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Solution

The fourth proportional to 41,602.61, 62,419.49 and 21,599.61 is: 32,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,602.61 : 62,419.49 = 21,599.61 : x
  2. Step 2: Convert to fraction form
    41,602.61/62,419.49 = 21,599.61/x
  3. Step 3: Cross multiply
    41,602.61x = 62,419.49 × 21,599.61
  4. Step 4: Simplify right side
    41,602.61x = 1,348,236,806.37
  5. Step 5: Solve for x
    x = 1,348,236,806.37/41,602.61
  6. Step 6: Final answer
    x = 32,407.51

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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.