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Finding the Fourth Proportional to 29,995.58, 44,978.28 and 9,997.98

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Solution

The fourth proportional to 29,995.58, 44,978.28 and 9,997.98 is: 14,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,995.58 : 44,978.28 = 9,997.98 : x
  2. Step 2: Convert to fraction form
    29,995.58/44,978.28 = 9,997.98/x
  3. Step 3: Cross multiply
    29,995.58x = 44,978.28 × 9,997.98
  4. Step 4: Simplify right side
    29,995.58x = 449,691,943.87
  5. Step 5: Solve for x
    x = 449,691,943.87/29,995.58
  6. Step 6: Final answer
    x = 14,991.94

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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.