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Finding the Fourth Proportional to 2,029.85, 3,045.08 and 731.22

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Solution

The fourth proportional to 2,029.85, 3,045.08 and 731.22 is: 1,096.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.85 : 3,045.08 = 731.22 : x
  2. Step 2: Convert to fraction form
    2,029.85/3,045.08 = 731.22/x
  3. Step 3: Cross multiply
    2,029.85x = 3,045.08 × 731.22
  4. Step 4: Simplify right side
    2,029.85x = 2,226,623.40
  5. Step 5: Solve for x
    x = 2,226,623.40/2,029.85
  6. Step 6: Final answer
    x = 1,096.94

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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.