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Finding the Fourth Proportional to 4,672.29, 7,008.84 and 1,340.56

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Solution

The fourth proportional to 4,672.29, 7,008.84 and 1,340.56 is: 2,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.29 : 7,008.84 = 1,340.56 : x
  2. Step 2: Convert to fraction form
    4,672.29/7,008.84 = 1,340.56/x
  3. Step 3: Cross multiply
    4,672.29x = 7,008.84 × 1,340.56
  4. Step 4: Simplify right side
    4,672.29x = 9,395,770.55
  5. Step 5: Solve for x
    x = 9,395,770.55/4,672.29
  6. Step 6: Final answer
    x = 2,010.96

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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.