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Finding the Fourth Proportional to 3,308.14, 4,962.20 and 1,256.14

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Solution

The fourth proportional to 3,308.14, 4,962.20 and 1,256.14 is: 1,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.14 : 4,962.20 = 1,256.14 : x
  2. Step 2: Convert to fraction form
    3,308.14/4,962.20 = 1,256.14/x
  3. Step 3: Cross multiply
    3,308.14x = 4,962.20 × 1,256.14
  4. Step 4: Simplify right side
    3,308.14x = 6,233,217.91
  5. Step 5: Solve for x
    x = 6,233,217.91/3,308.14
  6. Step 6: Final answer
    x = 1,884.21

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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.