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Finding the Fourth Proportional to 6,511.92, 8,991.60 and 6,014.36

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Solution

The fourth proportional to 6,511.92, 8,991.60 and 6,014.36 is: 8,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.92 : 8,991.60 = 6,014.36 : x
  2. Step 2: Convert to fraction form
    6,511.92/8,991.60 = 6,014.36/x
  3. Step 3: Cross multiply
    6,511.92x = 8,991.60 × 6,014.36
  4. Step 4: Simplify right side
    6,511.92x = 54,078,719.38
  5. Step 5: Solve for x
    x = 54,078,719.38/6,511.92
  6. Step 6: Final answer
    x = 8,304.57

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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.