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Finding the Fourth Proportional to 2,299.56, 3,442.05 and 1,813.56

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Solution

The fourth proportional to 2,299.56, 3,442.05 and 1,813.56 is: 2,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.56 : 3,442.05 = 1,813.56 : x
  2. Step 2: Convert to fraction form
    2,299.56/3,442.05 = 1,813.56/x
  3. Step 3: Cross multiply
    2,299.56x = 3,442.05 × 1,813.56
  4. Step 4: Simplify right side
    2,299.56x = 6,242,364.20
  5. Step 5: Solve for x
    x = 6,242,364.20/2,299.56
  6. Step 6: Final answer
    x = 2,714.59

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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.