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Finding the Fourth Proportional to 4,735.84, 7,101.96 and 1,447.92

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Solution

The fourth proportional to 4,735.84, 7,101.96 and 1,447.92 is: 2,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,735.84 : 7,101.96 = 1,447.92 : x
  2. Step 2: Convert to fraction form
    4,735.84/7,101.96 = 1,447.92/x
  3. Step 3: Cross multiply
    4,735.84x = 7,101.96 × 1,447.92
  4. Step 4: Simplify right side
    4,735.84x = 10,283,069.92
  5. Step 5: Solve for x
    x = 10,283,069.92/4,735.84
  6. Step 6: Final answer
    x = 2,171.33

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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.