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Finding the Fourth Proportional to 36,198.99, 54,292.41 and 9,899.10

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Solution

The fourth proportional to 36,198.99, 54,292.41 and 9,899.10 is: 14,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,198.99 : 54,292.41 = 9,899.10 : x
  2. Step 2: Convert to fraction form
    36,198.99/54,292.41 = 9,899.10/x
  3. Step 3: Cross multiply
    36,198.99x = 54,292.41 × 9,899.10
  4. Step 4: Simplify right side
    36,198.99x = 537,445,995.83
  5. Step 5: Solve for x
    x = 537,445,995.83/36,198.99
  6. Step 6: Final answer
    x = 14,846.99

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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.