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Finding the Fourth Proportional to 27,317.73, 40,978.86 and 7,596.45

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Solution

The fourth proportional to 27,317.73, 40,978.86 and 7,596.45 is: 11,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.73 : 40,978.86 = 7,596.45 : x
  2. Step 2: Convert to fraction form
    27,317.73/40,978.86 = 7,596.45/x
  3. Step 3: Cross multiply
    27,317.73x = 40,978.86 × 7,596.45
  4. Step 4: Simplify right side
    27,317.73x = 311,293,861.05
  5. Step 5: Solve for x
    x = 311,293,861.05/27,317.73
  6. Step 6: Final answer
    x = 11,395.30

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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.