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Finding the Fourth Proportional to 2,466.30, 3,699.48 and 822.85

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Solution

The fourth proportional to 2,466.30, 3,699.48 and 822.85 is: 1,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,466.30 : 3,699.48 = 822.85 : x
  2. Step 2: Convert to fraction form
    2,466.30/3,699.48 = 822.85/x
  3. Step 3: Cross multiply
    2,466.30x = 3,699.48 × 822.85
  4. Step 4: Simplify right side
    2,466.30x = 3,044,117.12
  5. Step 5: Solve for x
    x = 3,044,117.12/2,466.30
  6. Step 6: Final answer
    x = 1,234.29

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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.