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Finding the Fourth Proportional to 9,295.44, 12,825.78 and 5,317.88

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Solution

The fourth proportional to 9,295.44, 12,825.78 and 5,317.88 is: 7,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,295.44 : 12,825.78 = 5,317.88 : x
  2. Step 2: Convert to fraction form
    9,295.44/12,825.78 = 5,317.88/x
  3. Step 3: Cross multiply
    9,295.44x = 12,825.78 × 5,317.88
  4. Step 4: Simplify right side
    9,295.44x = 68,205,958.95
  5. Step 5: Solve for x
    x = 68,205,958.95/9,295.44
  6. Step 6: Final answer
    x = 7,337.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.