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Finding the Fourth Proportional to 6,971.06, 9,616.82 and 4,451.88

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Solution

The fourth proportional to 6,971.06, 9,616.82 and 4,451.88 is: 6,141.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.06 : 9,616.82 = 4,451.88 : x
  2. Step 2: Convert to fraction form
    6,971.06/9,616.82 = 4,451.88/x
  3. Step 3: Cross multiply
    6,971.06x = 9,616.82 × 4,451.88
  4. Step 4: Simplify right side
    6,971.06x = 42,812,928.62
  5. Step 5: Solve for x
    x = 42,812,928.62/6,971.06
  6. Step 6: Final answer
    x = 6,141.52

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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.