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Finding the Fourth Proportional to 3,648.56, 5,472.24 and 1,308.17

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Solution

The fourth proportional to 3,648.56, 5,472.24 and 1,308.17 is: 1,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.56 : 5,472.24 = 1,308.17 : x
  2. Step 2: Convert to fraction form
    3,648.56/5,472.24 = 1,308.17/x
  3. Step 3: Cross multiply
    3,648.56x = 5,472.24 × 1,308.17
  4. Step 4: Simplify right side
    3,648.56x = 7,158,592.84
  5. Step 5: Solve for x
    x = 7,158,592.84/3,648.56
  6. Step 6: Final answer
    x = 1,962.04

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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.