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Finding the Fourth Proportional to 10,448.96, 15,674.88 and 3,524.48

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Solution

The fourth proportional to 10,448.96, 15,674.88 and 3,524.48 is: 5,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.96 : 15,674.88 = 3,524.48 : x
  2. Step 2: Convert to fraction form
    10,448.96/15,674.88 = 3,524.48/x
  3. Step 3: Cross multiply
    10,448.96x = 15,674.88 × 3,524.48
  4. Step 4: Simplify right side
    10,448.96x = 55,245,801.06
  5. Step 5: Solve for x
    x = 55,245,801.06/10,448.96
  6. Step 6: Final answer
    x = 5,287.21

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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.