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Finding the Fourth Proportional to 6,242.54, 9,318.08 and 5,504.44

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Solution

The fourth proportional to 6,242.54, 9,318.08 and 5,504.44 is: 8,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.54 : 9,318.08 = 5,504.44 : x
  2. Step 2: Convert to fraction form
    6,242.54/9,318.08 = 5,504.44/x
  3. Step 3: Cross multiply
    6,242.54x = 9,318.08 × 5,504.44
  4. Step 4: Simplify right side
    6,242.54x = 51,290,812.28
  5. Step 5: Solve for x
    x = 51,290,812.28/6,242.54
  6. Step 6: Final answer
    x = 8,216.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.