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Finding the Fourth Proportional to 3,632.63, 5,448.94 and 896.63

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Solution

The fourth proportional to 3,632.63, 5,448.94 and 896.63 is: 1,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.63 : 5,448.94 = 896.63 : x
  2. Step 2: Convert to fraction form
    3,632.63/5,448.94 = 896.63/x
  3. Step 3: Cross multiply
    3,632.63x = 5,448.94 × 896.63
  4. Step 4: Simplify right side
    3,632.63x = 4,885,653.59
  5. Step 5: Solve for x
    x = 4,885,653.59/3,632.63
  6. Step 6: Final answer
    x = 1,344.94

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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.