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Finding the Fourth Proportional to 7,953.92, 11,941.68 and 5,482.62

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Solution

The fourth proportional to 7,953.92, 11,941.68 and 5,482.62 is: 8,231.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.92 : 11,941.68 = 5,482.62 : x
  2. Step 2: Convert to fraction form
    7,953.92/11,941.68 = 5,482.62/x
  3. Step 3: Cross multiply
    7,953.92x = 11,941.68 × 5,482.62
  4. Step 4: Simplify right side
    7,953.92x = 65,471,693.60
  5. Step 5: Solve for x
    x = 65,471,693.60/7,953.92
  6. Step 6: Final answer
    x = 8,231.37

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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.