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Finding the Fourth Proportional to 2,450.46, 3,675.90 and 695.47

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Solution

The fourth proportional to 2,450.46, 3,675.90 and 695.47 is: 1,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.46 : 3,675.90 = 695.47 : x
  2. Step 2: Convert to fraction form
    2,450.46/3,675.90 = 695.47/x
  3. Step 3: Cross multiply
    2,450.46x = 3,675.90 × 695.47
  4. Step 4: Simplify right side
    2,450.46x = 2,556,478.17
  5. Step 5: Solve for x
    x = 2,556,478.17/2,450.46
  6. Step 6: Final answer
    x = 1,043.26

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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.