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Finding the Fourth Proportional to 6,955.94, 9,599.10 and 3,971.90

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Solution

The fourth proportional to 6,955.94, 9,599.10 and 3,971.90 is: 5,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.94 : 9,599.10 = 3,971.90 : x
  2. Step 2: Convert to fraction form
    6,955.94/9,599.10 = 3,971.90/x
  3. Step 3: Cross multiply
    6,955.94x = 9,599.10 × 3,971.90
  4. Step 4: Simplify right side
    6,955.94x = 38,126,665.29
  5. Step 5: Solve for x
    x = 38,126,665.29/6,955.94
  6. Step 6: Final answer
    x = 5,481.17

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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.