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Finding the Fourth Proportional to 29,995.98, 45,000.21 and 15,010.86

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Solution

The fourth proportional to 29,995.98, 45,000.21 and 15,010.86 is: 22,519.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,995.98 : 45,000.21 = 15,010.86 : x
  2. Step 2: Convert to fraction form
    29,995.98/45,000.21 = 15,010.86/x
  3. Step 3: Cross multiply
    29,995.98x = 45,000.21 × 15,010.86
  4. Step 4: Simplify right side
    29,995.98x = 675,491,852.28
  5. Step 5: Solve for x
    x = 675,491,852.28/29,995.98
  6. Step 6: Final answer
    x = 22,519.41

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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.