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Finding the Fourth Proportional to 44,436.74, 66,682 and 19,478.22

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Solution

The fourth proportional to 44,436.74, 66,682 and 19,478.22 is: 29,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,436.74 : 66,682 = 19,478.22 : x
  2. Step 2: Convert to fraction form
    44,436.74/66,682 = 19,478.22/x
  3. Step 3: Cross multiply
    44,436.74x = 66,682 × 19,478.22
  4. Step 4: Simplify right side
    44,436.74x = 1,298,846,666.04
  5. Step 5: Solve for x
    x = 1,298,846,666.04/44,436.74
  6. Step 6: Final answer
    x = 29,229.12

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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.