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Finding the Fourth Proportional to 13,544.48, 20,324.48 and 7,304.46

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Solution

The fourth proportional to 13,544.48, 20,324.48 and 7,304.46 is: 10,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.48 : 20,324.48 = 7,304.46 : x
  2. Step 2: Convert to fraction form
    13,544.48/20,324.48 = 7,304.46/x
  3. Step 3: Cross multiply
    13,544.48x = 20,324.48 × 7,304.46
  4. Step 4: Simplify right side
    13,544.48x = 148,459,314.66
  5. Step 5: Solve for x
    x = 148,459,314.66/13,544.48
  6. Step 6: Final answer
    x = 10,960.88

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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.