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Finding the Fourth Proportional to 4,672.40, 6,998.28 and 3,504.88

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Solution

The fourth proportional to 4,672.40, 6,998.28 and 3,504.88 is: 5,249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.40 : 6,998.28 = 3,504.88 : x
  2. Step 2: Convert to fraction form
    4,672.40/6,998.28 = 3,504.88/x
  3. Step 3: Cross multiply
    4,672.40x = 6,998.28 × 3,504.88
  4. Step 4: Simplify right side
    4,672.40x = 24,528,131.61
  5. Step 5: Solve for x
    x = 24,528,131.61/4,672.40
  6. Step 6: Final answer
    x = 5,249.58

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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.