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Finding the Fourth Proportional to 4,673.55, 7,008.96 and 3,849.78

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Solution

The fourth proportional to 4,673.55, 7,008.96 and 3,849.78 is: 5,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.55 : 7,008.96 = 3,849.78 : x
  2. Step 2: Convert to fraction form
    4,673.55/7,008.96 = 3,849.78/x
  3. Step 3: Cross multiply
    4,673.55x = 7,008.96 × 3,849.78
  4. Step 4: Simplify right side
    4,673.55x = 26,982,954.03
  5. Step 5: Solve for x
    x = 26,982,954.03/4,673.55
  6. Step 6: Final answer
    x = 5,773.55

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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.