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Finding the Fourth Proportional to 6,848.64, 9,451.20 and 4,016.64

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Solution

The fourth proportional to 6,848.64, 9,451.20 and 4,016.64 is: 5,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,848.64 : 9,451.20 = 4,016.64 : x
  2. Step 2: Convert to fraction form
    6,848.64/9,451.20 = 4,016.64/x
  3. Step 3: Cross multiply
    6,848.64x = 9,451.20 × 4,016.64
  4. Step 4: Simplify right side
    6,848.64x = 37,962,067.97
  5. Step 5: Solve for x
    x = 37,962,067.97/6,848.64
  6. Step 6: Final answer
    x = 5,543.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.