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Finding the Fourth Proportional to 7,382.08, 11,051.90 and 6,863.10

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Solution

The fourth proportional to 7,382.08, 11,051.90 and 6,863.10 is: 10,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.08 : 11,051.90 = 6,863.10 : x
  2. Step 2: Convert to fraction form
    7,382.08/11,051.90 = 6,863.10/x
  3. Step 3: Cross multiply
    7,382.08x = 11,051.90 × 6,863.10
  4. Step 4: Simplify right side
    7,382.08x = 75,850,294.89
  5. Step 5: Solve for x
    x = 75,850,294.89/7,382.08
  6. Step 6: Final answer
    x = 10,274.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.