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Finding the Fourth Proportional to 9,189.65, 13,773.65 and 4,442.85

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Solution

The fourth proportional to 9,189.65, 13,773.65 and 4,442.85 is: 6,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.65 : 13,773.65 = 4,442.85 : x
  2. Step 2: Convert to fraction form
    9,189.65/13,773.65 = 4,442.85/x
  3. Step 3: Cross multiply
    9,189.65x = 13,773.65 × 4,442.85
  4. Step 4: Simplify right side
    9,189.65x = 61,194,238.69
  5. Step 5: Solve for x
    x = 61,194,238.69/9,189.65
  6. Step 6: Final answer
    x = 6,659.04

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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.