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Finding the Fourth Proportional to 20,000.49, 29,997.03 and 7,347.48

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Solution

The fourth proportional to 20,000.49, 29,997.03 and 7,347.48 is: 11,019.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.49 : 29,997.03 = 7,347.48 : x
  2. Step 2: Convert to fraction form
    20,000.49/29,997.03 = 7,347.48/x
  3. Step 3: Cross multiply
    20,000.49x = 29,997.03 × 7,347.48
  4. Step 4: Simplify right side
    20,000.49x = 220,402,577.98
  5. Step 5: Solve for x
    x = 220,402,577.98/20,000.49
  6. Step 6: Final answer
    x = 11,019.86

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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.