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Finding the Fourth Proportional to 1,336.42, 1,844.14 and 746.92

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Solution

The fourth proportional to 1,336.42, 1,844.14 and 746.92 is: 1,030.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.42 : 1,844.14 = 746.92 : x
  2. Step 2: Convert to fraction form
    1,336.42/1,844.14 = 746.92/x
  3. Step 3: Cross multiply
    1,336.42x = 1,844.14 × 746.92
  4. Step 4: Simplify right side
    1,336.42x = 1,377,425.05
  5. Step 5: Solve for x
    x = 1,377,425.05/1,336.42
  6. Step 6: Final answer
    x = 1,030.68

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Double scale
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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.