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Finding the Fourth Proportional to 29,638.40, 44,459.93 and 9,917.03

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Solution

The fourth proportional to 29,638.40, 44,459.93 and 9,917.03 is: 14,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,638.40 : 44,459.93 = 9,917.03 : x
  2. Step 2: Convert to fraction form
    29,638.40/44,459.93 = 9,917.03/x
  3. Step 3: Cross multiply
    29,638.40x = 44,459.93 × 9,917.03
  4. Step 4: Simplify right side
    29,638.40x = 440,910,237.31
  5. Step 5: Solve for x
    x = 440,910,237.31/29,638.40
  6. Step 6: Final answer
    x = 14,876.32

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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.