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Finding the Fourth Proportional to 1,296.03, 1,944.05 and 884.15

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Solution

The fourth proportional to 1,296.03, 1,944.05 and 884.15 is: 1,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.03 : 1,944.05 = 884.15 : x
  2. Step 2: Convert to fraction form
    1,296.03/1,944.05 = 884.15/x
  3. Step 3: Cross multiply
    1,296.03x = 1,944.05 × 884.15
  4. Step 4: Simplify right side
    1,296.03x = 1,718,824.30
  5. Step 5: Solve for x
    x = 1,718,824.30/1,296.03
  6. Step 6: Final answer
    x = 1,326.22

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Similar ratio
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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.