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Finding the Fourth Proportional to 13,304.58, 18,359.08 and 7,334.74

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Solution

The fourth proportional to 13,304.58, 18,359.08 and 7,334.74 is: 10,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.58 : 18,359.08 = 7,334.74 : x
  2. Step 2: Convert to fraction form
    13,304.58/18,359.08 = 7,334.74/x
  3. Step 3: Cross multiply
    13,304.58x = 18,359.08 × 7,334.74
  4. Step 4: Simplify right side
    13,304.58x = 134,659,078.44
  5. Step 5: Solve for x
    x = 134,659,078.44/13,304.58
  6. Step 6: Final answer
    x = 10,121.26

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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.