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Finding the Fourth Proportional to 4,720.44, 7,082.82 and 1,799.40

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Solution

The fourth proportional to 4,720.44, 7,082.82 and 1,799.40 is: 2,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.44 : 7,082.82 = 1,799.40 : x
  2. Step 2: Convert to fraction form
    4,720.44/7,082.82 = 1,799.40/x
  3. Step 3: Cross multiply
    4,720.44x = 7,082.82 × 1,799.40
  4. Step 4: Simplify right side
    4,720.44x = 12,744,826.31
  5. Step 5: Solve for x
    x = 12,744,826.31/4,720.44
  6. Step 6: Final answer
    x = 2,699.92

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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.