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Finding the Fourth Proportional to 1,363.94, 1,882.03 and 832.68

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Solution

The fourth proportional to 1,363.94, 1,882.03 and 832.68 is: 1,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.94 : 1,882.03 = 832.68 : x
  2. Step 2: Convert to fraction form
    1,363.94/1,882.03 = 832.68/x
  3. Step 3: Cross multiply
    1,363.94x = 1,882.03 × 832.68
  4. Step 4: Simplify right side
    1,363.94x = 1,567,120.58
  5. Step 5: Solve for x
    x = 1,567,120.58/1,363.94
  6. Step 6: Final answer
    x = 1,148.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.