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Finding the Fourth Proportional to 3,049.99, 4,207.41 and 1,929.02

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Solution

The fourth proportional to 3,049.99, 4,207.41 and 1,929.02 is: 2,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.99 : 4,207.41 = 1,929.02 : x
  2. Step 2: Convert to fraction form
    3,049.99/4,207.41 = 1,929.02/x
  3. Step 3: Cross multiply
    3,049.99x = 4,207.41 × 1,929.02
  4. Step 4: Simplify right side
    3,049.99x = 8,116,157.00
  5. Step 5: Solve for x
    x = 8,116,157.00/3,049.99
  6. Step 6: Final answer
    x = 2,661.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.