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Finding the Fourth Proportional to 3,653.26, 5,472.60 and 3,106.60

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Solution

The fourth proportional to 3,653.26, 5,472.60 and 3,106.60 is: 4,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.26 : 5,472.60 = 3,106.60 : x
  2. Step 2: Convert to fraction form
    3,653.26/5,472.60 = 3,106.60/x
  3. Step 3: Cross multiply
    3,653.26x = 5,472.60 × 3,106.60
  4. Step 4: Simplify right side
    3,653.26x = 17,001,179.16
  5. Step 5: Solve for x
    x = 17,001,179.16/3,653.26
  6. Step 6: Final answer
    x = 4,653.70

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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.