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Finding the Fourth Proportional to 30,003.88, 44,997.90 and 8,938.24

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Solution

The fourth proportional to 30,003.88, 44,997.90 and 8,938.24 is: 13,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.88 : 44,997.90 = 8,938.24 : x
  2. Step 2: Convert to fraction form
    30,003.88/44,997.90 = 8,938.24/x
  3. Step 3: Cross multiply
    30,003.88x = 44,997.90 × 8,938.24
  4. Step 4: Simplify right side
    30,003.88x = 402,202,029.70
  5. Step 5: Solve for x
    x = 402,202,029.70/30,003.88
  6. Step 6: Final answer
    x = 13,405.00

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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.