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Finding the Fourth Proportional to 13,335.41, 18,402.52 and 7,366.12

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Solution

The fourth proportional to 13,335.41, 18,402.52 and 7,366.12 is: 10,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.41 : 18,402.52 = 7,366.12 : x
  2. Step 2: Convert to fraction form
    13,335.41/18,402.52 = 7,366.12/x
  3. Step 3: Cross multiply
    13,335.41x = 18,402.52 × 7,366.12
  4. Step 4: Simplify right side
    13,335.41x = 135,555,170.62
  5. Step 5: Solve for x
    x = 135,555,170.62/13,335.41
  6. Step 6: Final answer
    x = 10,165.05

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Double scale
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Similar ratio
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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.