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Finding the Fourth Proportional to 18,185.66, 25,094.17 and 10,227.71

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Solution

The fourth proportional to 18,185.66, 25,094.17 and 10,227.71 is: 14,113.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.66 : 25,094.17 = 10,227.71 : x
  2. Step 2: Convert to fraction form
    18,185.66/25,094.17 = 10,227.71/x
  3. Step 3: Cross multiply
    18,185.66x = 25,094.17 × 10,227.71
  4. Step 4: Simplify right side
    18,185.66x = 256,655,893.45
  5. Step 5: Solve for x
    x = 256,655,893.45/18,185.66
  6. Step 6: Final answer
    x = 14,113.09

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Half scale
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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.