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Finding the Fourth Proportional to 2,797.67, 4,193.56 and 948.14

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Solution

The fourth proportional to 2,797.67, 4,193.56 and 948.14 is: 1,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.67 : 4,193.56 = 948.14 : x
  2. Step 2: Convert to fraction form
    2,797.67/4,193.56 = 948.14/x
  3. Step 3: Cross multiply
    2,797.67x = 4,193.56 × 948.14
  4. Step 4: Simplify right side
    2,797.67x = 3,976,081.98
  5. Step 5: Solve for x
    x = 3,976,081.98/2,797.67
  6. Step 6: Final answer
    x = 1,421.21

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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.