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Finding the Fourth Proportional to 8,999.03, 13,502.70 and 3,450.53

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Solution

The fourth proportional to 8,999.03, 13,502.70 and 3,450.53 is: 5,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.03 : 13,502.70 = 3,450.53 : x
  2. Step 2: Convert to fraction form
    8,999.03/13,502.70 = 3,450.53/x
  3. Step 3: Cross multiply
    8,999.03x = 13,502.70 × 3,450.53
  4. Step 4: Simplify right side
    8,999.03x = 46,591,403.92
  5. Step 5: Solve for x
    x = 46,591,403.92/8,999.03
  6. Step 6: Final answer
    x = 5,177.38

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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.