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Finding the Fourth Proportional to 1,194.64, 1,789.56 and 1,001.56

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Solution

The fourth proportional to 1,194.64, 1,789.56 and 1,001.56 is: 1,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.64 : 1,789.56 = 1,001.56 : x
  2. Step 2: Convert to fraction form
    1,194.64/1,789.56 = 1,001.56/x
  3. Step 3: Cross multiply
    1,194.64x = 1,789.56 × 1,001.56
  4. Step 4: Simplify right side
    1,194.64x = 1,792,351.71
  5. Step 5: Solve for x
    x = 1,792,351.71/1,194.64
  6. Step 6: Final answer
    x = 1,500.33

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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.