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Finding the Fourth Proportional to 9,957.54, 13,741.31 and 5,481.17

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Solution

The fourth proportional to 9,957.54, 13,741.31 and 5,481.17 is: 7,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.54 : 13,741.31 = 5,481.17 : x
  2. Step 2: Convert to fraction form
    9,957.54/13,741.31 = 5,481.17/x
  3. Step 3: Cross multiply
    9,957.54x = 13,741.31 × 5,481.17
  4. Step 4: Simplify right side
    9,957.54x = 75,318,463.08
  5. Step 5: Solve for x
    x = 75,318,463.08/9,957.54
  6. Step 6: Final answer
    x = 7,563.97

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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.