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Finding the Fourth Proportional to 9,930.12, 14,893.56 and 3,003

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Solution

The fourth proportional to 9,930.12, 14,893.56 and 3,003 is: 4,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.12 : 14,893.56 = 3,003 : x
  2. Step 2: Convert to fraction form
    9,930.12/14,893.56 = 3,003/x
  3. Step 3: Cross multiply
    9,930.12x = 14,893.56 × 3,003
  4. Step 4: Simplify right side
    9,930.12x = 44,725,360.68
  5. Step 5: Solve for x
    x = 44,725,360.68/9,930.12
  6. Step 6: Final answer
    x = 4,504.01

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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.