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Finding the Fourth Proportional to 1,483.92, 2,226.23 and 791.26

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Solution

The fourth proportional to 1,483.92, 2,226.23 and 791.26 is: 1,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.92 : 2,226.23 = 791.26 : x
  2. Step 2: Convert to fraction form
    1,483.92/2,226.23 = 791.26/x
  3. Step 3: Cross multiply
    1,483.92x = 2,226.23 × 791.26
  4. Step 4: Simplify right side
    1,483.92x = 1,761,526.75
  5. Step 5: Solve for x
    x = 1,761,526.75/1,483.92
  6. Step 6: Final answer
    x = 1,187.08

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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.