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Finding the Fourth Proportional to 3,055.49, 4,583.43 and 864.03

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Solution

The fourth proportional to 3,055.49, 4,583.43 and 864.03 is: 1,296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.49 : 4,583.43 = 864.03 : x
  2. Step 2: Convert to fraction form
    3,055.49/4,583.43 = 864.03/x
  3. Step 3: Cross multiply
    3,055.49x = 4,583.43 × 864.03
  4. Step 4: Simplify right side
    3,055.49x = 3,960,221.02
  5. Step 5: Solve for x
    x = 3,960,221.02/3,055.49
  6. Step 6: Final answer
    x = 1,296.10

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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.