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Finding the Fourth Proportional to 45,294.40, 67,853.22 and 29,664.64

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Solution

The fourth proportional to 45,294.40, 67,853.22 and 29,664.64 is: 44,439.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,294.40 : 67,853.22 = 29,664.64 : x
  2. Step 2: Convert to fraction form
    45,294.40/67,853.22 = 29,664.64/x
  3. Step 3: Cross multiply
    45,294.40x = 67,853.22 × 29,664.64
  4. Step 4: Simplify right side
    45,294.40x = 2,012,841,344.14
  5. Step 5: Solve for x
    x = 2,012,841,344.14/45,294.40
  6. Step 6: Final answer
    x = 44,439.08

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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.