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Finding the Fourth Proportional to 1,091.14, 1,505.73 and 593.77

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Solution

The fourth proportional to 1,091.14, 1,505.73 and 593.77 is: 819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091.14 : 1,505.73 = 593.77 : x
  2. Step 2: Convert to fraction form
    1,091.14/1,505.73 = 593.77/x
  3. Step 3: Cross multiply
    1,091.14x = 1,505.73 × 593.77
  4. Step 4: Simplify right side
    1,091.14x = 894,057.30
  5. Step 5: Solve for x
    x = 894,057.30/1,091.14
  6. Step 6: Final answer
    x = 819.38

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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.