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Finding the Fourth Proportional to 7,181.73, 10,770.79 and 5,095.65

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Solution

The fourth proportional to 7,181.73, 10,770.79 and 5,095.65 is: 7,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.73 : 10,770.79 = 5,095.65 : x
  2. Step 2: Convert to fraction form
    7,181.73/10,770.79 = 5,095.65/x
  3. Step 3: Cross multiply
    7,181.73x = 10,770.79 × 5,095.65
  4. Step 4: Simplify right side
    7,181.73x = 54,884,176.06
  5. Step 5: Solve for x
    x = 54,884,176.06/7,181.73
  6. Step 6: Final answer
    x = 7,642.19

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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.