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Finding the Fourth Proportional to 6,895.94, 9,517.30 and 5,132.57

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Solution

The fourth proportional to 6,895.94, 9,517.30 and 5,132.57 is: 7,083.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.94 : 9,517.30 = 5,132.57 : x
  2. Step 2: Convert to fraction form
    6,895.94/9,517.30 = 5,132.57/x
  3. Step 3: Cross multiply
    6,895.94x = 9,517.30 × 5,132.57
  4. Step 4: Simplify right side
    6,895.94x = 48,848,148.04
  5. Step 5: Solve for x
    x = 48,848,148.04/6,895.94
  6. Step 6: Final answer
    x = 7,083.61

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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.