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Finding the Fourth Proportional to 4,996.72, 7,491.30 and 3,903.40

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Solution

The fourth proportional to 4,996.72, 7,491.30 and 3,903.40 is: 5,852.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,996.72 : 7,491.30 = 3,903.40 : x
  2. Step 2: Convert to fraction form
    4,996.72/7,491.30 = 3,903.40/x
  3. Step 3: Cross multiply
    4,996.72x = 7,491.30 × 3,903.40
  4. Step 4: Simplify right side
    4,996.72x = 29,241,540.42
  5. Step 5: Solve for x
    x = 29,241,540.42/4,996.72
  6. Step 6: Final answer
    x = 5,852.15

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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.