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Finding the Fourth Proportional to 2,703.88, 3,730.44 and 2,205.66

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Solution

The fourth proportional to 2,703.88, 3,730.44 and 2,205.66 is: 3,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.88 : 3,730.44 = 2,205.66 : x
  2. Step 2: Convert to fraction form
    2,703.88/3,730.44 = 2,205.66/x
  3. Step 3: Cross multiply
    2,703.88x = 3,730.44 × 2,205.66
  4. Step 4: Simplify right side
    2,703.88x = 8,228,082.29
  5. Step 5: Solve for x
    x = 8,228,082.29/2,703.88
  6. Step 6: Final answer
    x = 3,043.06

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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.