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Finding the Fourth Proportional to 9,957.62, 13,741.26 and 5,481.20

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Solution

The fourth proportional to 9,957.62, 13,741.26 and 5,481.20 is: 7,563.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957.62 : 13,741.26 = 5,481.20 : x
  2. Step 2: Convert to fraction form
    9,957.62/13,741.26 = 5,481.20/x
  3. Step 3: Cross multiply
    9,957.62x = 13,741.26 × 5,481.20
  4. Step 4: Simplify right side
    9,957.62x = 75,318,594.31
  5. Step 5: Solve for x
    x = 75,318,594.31/9,957.62
  6. Step 6: Final answer
    x = 7,563.92

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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.