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Finding the Fourth Proportional to 29,551.90, 44,290.91 and 18,993.82

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Solution

The fourth proportional to 29,551.90, 44,290.91 and 18,993.82 is: 28,466.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,551.90 : 44,290.91 = 18,993.82 : x
  2. Step 2: Convert to fraction form
    29,551.90/44,290.91 = 18,993.82/x
  3. Step 3: Cross multiply
    29,551.90x = 44,290.91 × 18,993.82
  4. Step 4: Simplify right side
    29,551.90x = 841,253,572.18
  5. Step 5: Solve for x
    x = 841,253,572.18/29,551.90
  6. Step 6: Final answer
    x = 28,466.99

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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.