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Finding the Fourth Proportional to 9,999.03, 14,998.95 and 3,429.73

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Solution

The fourth proportional to 9,999.03, 14,998.95 and 3,429.73 is: 5,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.03 : 14,998.95 = 3,429.73 : x
  2. Step 2: Convert to fraction form
    9,999.03/14,998.95 = 3,429.73/x
  3. Step 3: Cross multiply
    9,999.03x = 14,998.95 × 3,429.73
  4. Step 4: Simplify right side
    9,999.03x = 51,442,348.78
  5. Step 5: Solve for x
    x = 51,442,348.78/9,999.03
  6. Step 6: Final answer
    x = 5,144.73

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1.5x scale

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.