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Finding the Fourth Proportional to 35,491.25, 53,245.88 and 13,304.69

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Solution

The fourth proportional to 35,491.25, 53,245.88 and 13,304.69 is: 19,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491.25 : 53,245.88 = 13,304.69 : x
  2. Step 2: Convert to fraction form
    35,491.25/53,245.88 = 13,304.69/x
  3. Step 3: Cross multiply
    35,491.25x = 53,245.88 × 13,304.69
  4. Step 4: Simplify right side
    35,491.25x = 708,419,860.65
  5. Step 5: Solve for x
    x = 708,419,860.65/35,491.25
  6. Step 6: Final answer
    x = 19,960.41

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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.