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Finding the Fourth Proportional to 3,086.04, 4,629.74 and 894.86

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Solution

The fourth proportional to 3,086.04, 4,629.74 and 894.86 is: 1,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.04 : 4,629.74 = 894.86 : x
  2. Step 2: Convert to fraction form
    3,086.04/4,629.74 = 894.86/x
  3. Step 3: Cross multiply
    3,086.04x = 4,629.74 × 894.86
  4. Step 4: Simplify right side
    3,086.04x = 4,142,969.14
  5. Step 5: Solve for x
    x = 4,142,969.14/3,086.04
  6. Step 6: Final answer
    x = 1,342.49

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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.