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Finding the Fourth Proportional to 1,884.92, 2,828.16 and 844.65

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Solution

The fourth proportional to 1,884.92, 2,828.16 and 844.65 is: 1,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.92 : 2,828.16 = 844.65 : x
  2. Step 2: Convert to fraction form
    1,884.92/2,828.16 = 844.65/x
  3. Step 3: Cross multiply
    1,884.92x = 2,828.16 × 844.65
  4. Step 4: Simplify right side
    1,884.92x = 2,388,805.34
  5. Step 5: Solve for x
    x = 2,388,805.34/1,884.92
  6. Step 6: Final answer
    x = 1,267.33

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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.