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Finding the Fourth Proportional to 1,146.03, 1,718.99 and 798.36

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Solution

The fourth proportional to 1,146.03, 1,718.99 and 798.36 is: 1,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.03 : 1,718.99 = 798.36 : x
  2. Step 2: Convert to fraction form
    1,146.03/1,718.99 = 798.36/x
  3. Step 3: Cross multiply
    1,146.03x = 1,718.99 × 798.36
  4. Step 4: Simplify right side
    1,146.03x = 1,372,372.86
  5. Step 5: Solve for x
    x = 1,372,372.86/1,146.03
  6. Step 6: Final answer
    x = 1,197.50

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Half scale
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Double scale
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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.