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Finding the Fourth Proportional to 7,285.67, 10,904.99 and 3,770.84

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Solution

The fourth proportional to 7,285.67, 10,904.99 and 3,770.84 is: 5,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.67 : 10,904.99 = 3,770.84 : x
  2. Step 2: Convert to fraction form
    7,285.67/10,904.99 = 3,770.84/x
  3. Step 3: Cross multiply
    7,285.67x = 10,904.99 × 3,770.84
  4. Step 4: Simplify right side
    7,285.67x = 41,120,899.11
  5. Step 5: Solve for x
    x = 41,120,899.11/7,285.67
  6. Step 6: Final answer
    x = 5,644.08

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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.