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Finding the Fourth Proportional to 6,391.44, 9,641.16 and 6,055.32

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Solution

The fourth proportional to 6,391.44, 9,641.16 and 6,055.32 is: 9,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.44 : 9,641.16 = 6,055.32 : x
  2. Step 2: Convert to fraction form
    6,391.44/9,641.16 = 6,055.32/x
  3. Step 3: Cross multiply
    6,391.44x = 9,641.16 × 6,055.32
  4. Step 4: Simplify right side
    6,391.44x = 58,380,308.97
  5. Step 5: Solve for x
    x = 58,380,308.97/6,391.44
  6. Step 6: Final answer
    x = 9,134.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.