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Finding the Fourth Proportional to 3,055.36, 4,583.38 and 974.88

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Solution

The fourth proportional to 3,055.36, 4,583.38 and 974.88 is: 1,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.36 : 4,583.38 = 974.88 : x
  2. Step 2: Convert to fraction form
    3,055.36/4,583.38 = 974.88/x
  3. Step 3: Cross multiply
    3,055.36x = 4,583.38 × 974.88
  4. Step 4: Simplify right side
    3,055.36x = 4,468,245.49
  5. Step 5: Solve for x
    x = 4,468,245.49/3,055.36
  6. Step 6: Final answer
    x = 1,462.43

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Double scale
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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.