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Finding the Fourth Proportional to 13,097.82, 18,076.26 and 8,064.99

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Solution

The fourth proportional to 13,097.82, 18,076.26 and 8,064.99 is: 11,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.82 : 18,076.26 = 8,064.99 : x
  2. Step 2: Convert to fraction form
    13,097.82/18,076.26 = 8,064.99/x
  3. Step 3: Cross multiply
    13,097.82x = 18,076.26 × 8,064.99
  4. Step 4: Simplify right side
    13,097.82x = 145,784,856.14
  5. Step 5: Solve for x
    x = 145,784,856.14/13,097.82
  6. Step 6: Final answer
    x = 11,130.47

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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.