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Finding the Fourth Proportional to 9,168.31, 13,752.47 and 3,245.79

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Solution

The fourth proportional to 9,168.31, 13,752.47 and 3,245.79 is: 4,868.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.31 : 13,752.47 = 3,245.79 : x
  2. Step 2: Convert to fraction form
    9,168.31/13,752.47 = 3,245.79/x
  3. Step 3: Cross multiply
    9,168.31x = 13,752.47 × 3,245.79
  4. Step 4: Simplify right side
    9,168.31x = 44,637,629.60
  5. Step 5: Solve for x
    x = 44,637,629.60/9,168.31
  6. Step 6: Final answer
    x = 4,868.69

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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.